premise: A surfer is surfing catches a wave.
hypothesis: A surfer walks to the hot dog truck.
explanation_1: The surfer is either surfing or walking to the hot dog truck but they are proably not doing both things at the same time.
explanation_2: Answer: One cannot be surfing while he walks to a hot dog truck.
explanation_3: If one catches a wave, there is no way that he walks to the hot dog truck at the same time.
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 s1 x1 x2 x3.(n_truck(x2) & of(x2,x3) & n_dog(x3) & a_hot(s1) & Theme(s1,x2) & to(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_surfer(x1))