Input: Article: The law of the United States comprises many levels of codified and uncodified forms of law, of which the most important is the United States Constitution, the foundation of the federal government of the United States. The Constitution sets out the boundaries of federal law, which consists of acts of Congress, treaties ratified by the Senate, regulations promulgated by the executive branch, and case law originating from the federal judiciary. The United States Code is the official compilation and codification of general and permanent federal statutory law.

Now answer this question: What branch of gevernment is responsible for ratifing treaties?

Output: Senate

Input: Article: The new government drafted and implemented a constitution in 1923 based on a parliamentary system. Saad Zaghlul was popularly elected as Prime Minister of Egypt in 1924. In 1936, the Anglo-Egyptian Treaty was concluded. Continued instability due to remaining British influence and increasing political involvement by the king led to the dissolution of the parliament in a military coup d'état known as the 1952 Revolution. The Free Officers Movement forced King Farouk to abdicate in support of his son Fuad. British military presence in Egypt lasted until 1954.

Now answer this question: How long did British military presence remain in Egypt?

Output: 1954

Input: Article: The control of migration, its timing and response are genetically controlled and appear to be a primitive trait that is present even in non-migratory species of birds. The ability to navigate and orient themselves during migration is a much more complex phenomenon that may include both endogenous programs as well as learning.

Now answer this question: What is a complex phenomenon in regards to migration?

Output:
The ability to navigate