premise: A man riding a red motorbike near a large crowd of people by some tents.
hypothesis: A man is in a motorbike race against others.
explanation_1: Just because a man is riding his motorbike in or near a crowd, does not mean he is racing against others.
explanation_2: He may not be on race
explanation_3: A man riding a motorbike may or may not be in a race and if a man is not in a race then man is not in a race against other people.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & near(x3,x4) & by(x4,x6) & n_tent(x6) & of(x4,x5) & n_people(x5) & n_crowd(x4) & a_large(s2) & Theme(s2,x4) & n_motorbike(x3) & a_red(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists p1 x1.(exists x2 x3 x4.(in(x1,x2) & against(x2,x4) & -(x4 = x1) & n_person(x4) & n_race(x2) & of(x2,x3) & n_motorbike(x3)) & n_person(x1) & n_man(x1))
premise_sim: exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(v_ride(e1) & of(x4,x5) & near(x3,x4) & n_tent(x6) & n_people(x5) & n_motorbike(x3) & n_man(x1) & n_crowd(x4) & by(x4,x6) & a_topic(x1) & a_red(s1) & a_large(s2) & Theme(s2,x4) & Theme(s1,x3) & Theme(e1,x3) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists x1.(n_person(x1) & n_man(x1) & exists x2 x3 x4.(of(x2,x3) & n_race(x2) & n_person(x4) & n_motorbike(x3) & in(x1,x2) & against(x2,x4) & -(x4 = x1)))