premise: A boy in shorts doing a skateboard trick.
hypothesis: a boy swimming in the ocean
explanation_1: swimming and doing skateboard trick are at different locations
explanation_2: The boy is either swimming in the ocean or doing a skateboard trick.
explanation_3: One can either be doing a skateboard trick or swimming in the ocean, not both.
premise_logic: exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_do(e1) & n_trick(x4) & of(x4,x5) & n_skateboard(x5) & (x2 = x3) & n_shorts(x2) & n_boy(x1))
hypothesis_logic: exists x1 x2 x3.(n_ocean(x3) & a_topic(x1) & in(x1,x3) & n_swimming(x1) & of(x1,x2) & n_boy(x2))
premise_sim: exists e1 x1 x2 x3 x4 x5.(v_do(e1) & of(x4,x5) & n_trick(x4) & n_skateboard(x5) & n_shorts(x2) & n_boy(x1) & in(x1,x2) & a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & (x2 = x3))
hypothesis_sim: exists x1 x2 x3.(of(x1,x2) & n_swimming(x1) & n_ocean(x3) & n_boy(x2) & in(x1,x3) & a_topic(x1))