premise: a crowd gather together, all looking in the same direction.
hypothesis: A large crowd is curious about something.
explanation_1: A crowd is not assumed to be large.  Looking in the same direction does not imply that they are curious about something.
explanation_2: People can look in the same direction as each other without being curious.
explanation_3: Looking in the same direction doesn't imply being curious about something.
premise_logic: exists e1 e2 p1 s1 s2 x1 x2.(n_direction(x2) & a_same(s2) & Theme(s2,x2) & for(e1,e2) & in(e2,x2) & Actor(e2,x1) & v_look(e2) & a_all(s1) & Manner(e1,s1) & exists s3.(Theme(s3,x1) & a_together(s3)) & Topic(e1,p1) & Actor(e1,x1) & v_gather(e1) & n_crowd(x1))
hypothesis_logic: exists s1 s2 x1 x2.(about(s2,x2) & n_thing(x2) & Theme(s2,x1) & a_curious(s2) & n_crowd(x1) & a_large(s1) & Theme(s1,x1))
premise_sim: exists e1 e2 p1 s1 s2 x1 x2.(v_look(e2) & v_gather(e1) & n_direction(x2) & n_crowd(x1) & in(e2,x2) & for(e1,e2) & exists s3.(a_together(s3) & Theme(s3,x1)) & a_same(s2) & a_all(s1) & Topic(e1,p1) & Theme(s2,x2) & Manner(e1,s1) & Actor(e2,x1) & Actor(e1,x1))
hypothesis_sim: exists s1 s2 x1 x2.(n_thing(x2) & n_crowd(x1) & about(s2,x2) & a_large(s1) & a_curious(s2) & Theme(s2,x1) & Theme(s1,x1))