context: Several people browse through books at a store with a tile floor.
hypothesis: It is almost certain that there are a lot of people looking for a certain book at the local Barnes and Noble.
valid_hypothesis: There is almost no chance that there are a lot of people looking for a certain book at the local Barnes and Noble.
invalid_hypothesis: It is almost certain that there are a lot of people looking for a certain book at the local Barnes and Noble.
hypothesis_assertion: There are a lot of people looking for a certain book at the local Barnes and Noble.