premise: A crowd of people are at a supermarket.
hypothesis: There is nobody at the supermarket.
explanation_1: When there is nobody  there cannot be a  crowd of people .
premise_logic: exists p1 x1 x2.(exists x3.(at(x1,x3) & n_supermarket(x3)) & of(x1,x2) & n_people(x2) & n_crowd(x1))
hypothesis_logic: exists p1 x1 x3.(n_supermarket(x3) & -exists x2.((x1 = x2) & at(x2,x3) & n_person(x2)))
premise_sim: exists x1 x2.(of(x1,x2) & n_people(x2) & n_crowd(x1) & exists x3.(n_supermarket(x3) & at(x1,x3)))
hypothesis_sim: exists x1 x3.(n_supermarket(x3) & all x2.(-n_person(x2) | -at(x2,x3) | -(x1 = x2)))