premise: A dog and a cat are swimming in a swimming pool.
hypothesis: A dog and cat are drowning in the pool/
explanation_1: Drowning implies they are not swimming.
explanation_2: Someone cannot be swimming and drowning at the same instant.
explanation_3: If animals are swimming, they can't be drowning.
premise_logic: exists e1 x1 x2 x3 x4 x5.(in(e1,x4) & n_pool(x4) & of(x4,x5) & n_swimming(x5) & Actor(e1,x1) & v_swim(e1) & subset_of(x3,x1) & n_cat(x3) & subset_of(x2,x1) & n_dog(x2))
hypothesis_logic: exists e1 x1 x2 x3 x4.(n_pool/(x4) & in(e1,x4) & Actor(e1,x1) & v_drown(e1) & n_cat(x3) & n_dog(x2) & subset_of(x3,x1) & subset_of(x2,x1))