premise: A boy in a blue life jacket jumps off a board into the lake.
hypothesis: A boy jumps in the water
explanation_1: Jumping into the lake implies water.
explanation_2: If he jumps into the lake he will go into the water.
explanation_3: The boy jumps in water because he jumps off a board into the lake.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4 x5.(n_lake(x5) & into(e1,x5) & a_off(s2) & Manner(e1,s2) & Theme(e1,x4) & Actor(e1,x1) & v_jump(e1) & n_board(x4) & in(x1,x2) & n_jacket(x2) & of(x2,x3) & n_life(x3) & a_blue(s1) & Theme(s1,x2) & n_boy(x1))
hypothesis_logic: exists e1 x1 x2.(n_water(x2) & in(e1,x2) & Actor(e1,x1) & v_jump(e1) & n_boy(x1))