premise: two guys asleep in a van while wearing sunglasses
hypothesis: Two musicians after a tour.
explanation_1: The guys in a van are not necessarily musicians and they were not necessarily on a tour.
premise_logic: exists e2 e1 x1 x2 x3.(while(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_wear(e2) & n_sunglass(x3) & in(e1,x2) & n_van(x2) & Actor(e1,x1) & v_asleep(e1) & n_guy(x1) & card_eq_2(x1))
hypothesis_logic: exists x1 x2.(a_topic(x1) & after(x1,x2) & n_tour(x2) & n_musician(x1) & card_eq_2(x1))
premise_sim: exists e2 e1 x1 x2 x3.(while(e1,e2) & v_wear(e2) & v_asleep(e1) & n_van(x2) & n_sunglass(x3) & n_guy(x1) & in(e1,x2) & card_eq_2(x1) & Theme(e2,x3) & Actor(e2,x1) & Actor(e1,x1))
hypothesis_sim: exists x1 x2.(n_tour(x2) & n_musician(x1) & card_eq_2(x1) & after(x1,x2) & a_topic(x1))