Mammals include the largest animals on the planet, the rorquals and other large whales, as well as some of the most intelligent, such as elephants, primates, including humans, and cetaceans. The basic body type is a four-legged land-borne animal, but some mammals are adapted for life at sea, in the air, in trees, or on two legs. The largest group of mammals, the placentals, have a placenta, which enables feeding the fetus during gestation. Mammals range in size from the 30–40 mm (1.2–1.6 in) bumblebee bat to the 33-meter (108 ft) blue whale.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): What does a placenta help bumblebee bats do?
Ah, so.. unanswerable

At the dawn of the Grand Lodge era, during the 1720s, James Anderson composed the first printed constitutions for Freemasons, the basis for most subsequent constitutions, which specifically excluded women from Freemasonry. As Freemasonry spread, continental masons began to include their ladies in Lodges of Adoption, which worked three degrees with the same names as the men's but different content. The French officially abandoned the experiment in the early 19th century. Later organisations with a similar aim emerged in the United States, but distinguished the names of the degrees from those of male masonry.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): Who is excluded from Freemasonry?
Ah, so.. women

Traditionally, Switzerland avoids alliances that might entail military, political, or direct economic action and has been neutral since the end of its expansion in 1515. Its policy of neutrality was internationally recognised at the Congress of Vienna in 1815. Only in 2002 did Switzerland become a full member of the United Nations and it was the first state to join it by referendum. Switzerland maintains diplomatic relations with almost all countries and historically has served as an intermediary between other states. Switzerland is not a member of the European Union; the Swiss people have consistently rejected membership since the early 1990s. However, Switzerland does participate in the Schengen Area.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): When was Switzerland's policy of neutrality internationally recognized?
Ah, so..
Congress of Vienna in 1815