premise: The two boys are swimming with boogie boards.
hypothesis: The two boys are swimming and catching a wave
explanation_1: The boys could be swimming and not catching a wave.
explanation_2: The fact that two boys are swimming doesn't imply that they are catching a wave.
explanation_3: Just because boys are swimming with boogie boards does not mean they are catching a wave.
premise_logic: exists e1 x1 x2 x3.(n_boy(x1) & card_eq_2(x1) & with(e1,x2) & n_board(x2) & of(x2,x3) & n_boogie(x3) & Actor(e1,x1) & v_swim(e1))
hypothesis_logic: exists e2 e1 x1 x2 x3.(n_boy(x1) & card_eq_2(x1) & Theme(e2,x3) & Actor(e2,x1) & v_catch(e2) & n_wave(x3) & Theme(e1,x2) & Actor(e1,x1) & v_swim(e1) & n_wave(x2))
premise_sim: exists e1 x1 x2 x3.(with(e1,x2) & v_swim(e1) & of(x2,x3) & n_boy(x1) & n_boogie(x3) & n_board(x2) & card_eq_2(x1) & Actor(e1,x1))
hypothesis_sim: exists e2 e1 x1 x2 x3.(v_swim(e1) & v_catch(e2) & n_wave(x3) & n_wave(x2) & n_boy(x1) & card_eq_2(x1) & Theme(e2,x3) & Theme(e1,x2) & Actor(e2,x1) & Actor(e1,x1))