premise: A surfer is surfing catches a wave.
hypothesis: A surfer catches a wave.
explanation_1: "A surfer is surfing catches a wave" is a rephrasing of "A surfer catches a wave"
explanation_2: Surfer implies surfing.
explanation_3: A surfer catches a wave while surfing.
premise_logic: exists x1.(all x2.(n_wave(x2) -> exists e1 x3.(Theme(e1,x3) & Actor(e1,x1) & v_surf(e1) & for(x3,x2) & n_catch(x3))) & n_surfer(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_catch(e1) & n_wave(x2) & n_surfer(x1))
premise_sim: exists x1.(n_surfer(x1) & all x2.(exists e1 x3.(v_surf(e1) & n_catch(x3) & for(x3,x2) & Theme(e1,x3) & Actor(e1,x1)) | -n_wave(x2)))
hypothesis_sim: exists e1 x1 x2.(v_catch(e1) & n_wave(x2) & n_surfer(x1) & Theme(e1,x2) & Actor(e1,x1))