premise: Football players on a field in front of a crowd.
hypothesis: There is a crowd
explanation_1: In front of a crowd implies that there is a crowd.
explanation_2: players on a field in front of a crowd at football
explanation_3: If the players are in front of the crowd, there is a crowd.
premise_logic: exists x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x4) & of(x4,x5) & n_crowd(x5) & n_front(x4) & on(x1,x3) & n_field(x3) & n_player(x1) & of(x1,x2) & n_football(x2))
hypothesis_logic: exists p1 x1 x2.((x1 = x2) & n_crowd(x2))