premise: They are on the beach in swimming suits.
hypothesis: A family at the beach for a vacation.
explanation_1: It is not apparent that those referenced in sentence 1 are a family unit, or that they are on vacation. They can be on a beach for many reasons.
premise_logic: exists p1 x1 x2.(n_beach(x2) & n_thing(x1) & exists x3 x4.(on(x1,x2) & in(x2,x3) & n_suit(x3) & of(x3,x4) & n_swimming(x4)))
hypothesis_logic: exists x1 x2 x3.(n_beach(x2) & a_topic(x1) & at(x1,x2) & for(x2,x3) & n_vacation(x3) & n_family(x1))
premise_sim: exists x1 x2.(n_thing(x1) & n_beach(x2) & exists x3 x4.(on(x1,x2) & of(x3,x4) & n_swimming(x4) & n_suit(x3) & in(x2,x3)))
hypothesis_sim: exists x1 x2 x3.(n_vacation(x3) & n_family(x1) & n_beach(x2) & for(x2,x3) & at(x1,x2) & a_topic(x1))