premise: A man in colorful shorts is surfing under a wave.
hypothesis: A man is surfing.
explanation_1: Surfing is a rephrasing of surfing under a wave.
explanation_2: If a man is surfing under a wave, then a man is surfing.
explanation_3: Surfing is done in waves.
premise_logic: exists e1 s1 x1 x2 x3.(under(e1,x3) & n_wave(x3) & Actor(e1,x1) & v_surf(e1) & in(x1,x2) & n_shorts(x2) & a_colorful(s1) & Theme(s1,x2) & n_man(x1))
hypothesis_logic: exists e1 x1.(Actor(e1,x1) & v_surf(e1) & n_man(x1))