context: A group of people is sitting at a large table and using paint brushes to form characters on white paper.
hypothesis: There is a better than even chance that the people are making a welcome home sign.
valid_hypothesis: Chances are slight that the people are making a welcome home sign.
invalid_hypothesis: There is a better than even chance that the people are making a welcome home sign.
hypothesis_assertion: The people are making a welcome home sign.