Input: Read this: Five major climatic regions are found in Nepal. Of these, Kathmandu Valley is in the Warm Temperate Zone (elevation ranging from 1,200–2,300 metres (3,900–7,500 ft)), where the climate is fairly temperate, atypical for the region. This zone is followed by the Cool Temperate Zone with elevation varying between 2,100–3,300 metres (6,900–10,800 ft). Under Köppen's climate classification, portions of the city with lower elevations have a humid subtropical climate (Cwa), while portions of the city with higher elevations generally have a subtropical highland climate. In the Kathmandu Valley, which is representative of its valley's climate, the average summer temperature varies from 28–30 °C (82–86 °F). The average winter temperature is 10.1 °C (50.2 °F).
Question: What is the Köppen abbreviation for a humid subtropical climate?

Output: Cwa


Input: Read this: In contrast, Roman expansion into Spain and Gaul occurred as a mix of alliance-seeking and military occupation. In the 2nd century BC, Roman involvement in the Greek east remained a matter of alliance-seeking, but this time in the face of major powers that could rival Rome. According to Polybius, who sought to trace how Rome came to dominate the Greek east in less than a century, this was mainly a matter of several Greek city-states seeking Roman protection against the Macedonian kingdom and Seleucid Empire in the face of destabilisation created by the weakening of Ptolemaic Egypt. In contrast to the west, the Greek east had been dominated by major empires for centuries, and Roman influence and alliance-seeking led to wars with these empires that further weakened them and therefore created an unstable power vacuum that only Rome could fill. This had some important similarities to (and important differences from) the events in Italy centuries earlier, but this time on a global scale.
Question: Why was Rome involved in matters in the Greek east?

Output: alliance-seeking


Input: Read this: In particle physics and quantum chemistry, antimatter is matter that is composed of the antiparticles of those that constitute ordinary matter. If a particle and its antiparticle come into contact with each other, the two annihilate; that is, they may both be converted into other particles with equal energy in accordance with Einstein's equation E = mc2. These new particles may be high-energy photons (gamma rays) or other particle–antiparticle pairs. The resulting particles are endowed with an amount of kinetic energy equal to the difference between the rest mass of the products of the annihilation and the rest mass of the original particle–antiparticle pair, which is often quite large.
Question: What kind of energy do particle-antiparticle pairs have more of than they had originally?

Output: unanswerable


Input: Read this: Mark Z. Jacobson, professor of civil and environmental engineering at Stanford University and director of its Atmosphere and Energy Program says producing all new energy with wind power, solar power, and hydropower by 2030 is feasible and existing energy supply arrangements could be replaced by 2050. Barriers to implementing the renewable energy plan are seen to be "primarily social and political, not technological or economic". Jacobson says that energy costs with a wind, solar, water system should be similar to today's energy costs.
Question:  What is a barrier to implementing the non-renewable energy plan?

Output:
unanswerable