context: Six older women are standing in a row at a table smiling and looking trough books and other material displayed on the table.
hypothesis: We doubt that women are looking at books on sale at a library.
valid_hypothesis: We doubt that women are looking at books on sale at a library.
invalid_hypothesis: It is highly likely that women are looking at books on sale at a library.
hypothesis_assertion: Women are looking at books on sale at a library.