premise: A man in a white shirt waves his hand under a white and blue umbrella.
hypothesis: A man sitting under an umbrella on the beach is waving at others.
explanation_1: Just because a man is under an umbrella doesn't mean he is on the beach
explanation_2: Sentence 1 does not imply that the man is sitting or who/what he is waving at.
explanation_3: Waves his hand does not mean he is waving at others and sitting under umbrella does not mean he is on the beach.
premise_logic: (x)
hypothesis_logic: exists e2 e1 x1 x2 x3 x4 x5.(n_beach(x4) & at(e2,x5) & -(x5 = x1) & n_person(x1) & n_person(x5) & Actor(e2,x1) & v_wave(e2) & under(e1,x3) & on(x3,x4) & n_umbrella(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1))