premise: A boy in shorts doing a skateboard trick.
hypothesis: a boy engaged in a leisure activity
explanation_1: Skateboard trick is a leisure activity.
explanation_2: Skateboarding is something you can do for fun or a leisure activity. Doing a skateboard trick means you are skateboarding. Therefore if you are doing a skateboard trick, you are engaged in a leisure acitivity.
explanation_3: Sports are considered a leisure activity therefor if he is doing a skateboard trick he is engaging in a leisure activity.
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 e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & n_activity(x3) & of(x3,x4) & n_leisure(x4) & Theme(e1,x2) & v_engage(e1) & (x1 = x2) & n_boy(x1))
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 e1 x1 x2 x3 x4.(v_engage(e1) & of(x3,x4) & n_leisure(x4) & n_boy(x1) & n_activity(x3) & in(e1,x3) & a_topic(x1) & Theme(e1,x2) & (x1 = x2))