premise: A group of people stand near and on a large black square on the ground with some yellow writing on it.
hypothesis: a group of people wait
explanation_1: We don't know for sure why they are standing near and on this square.  It is not 100% inferrable that they are waiting. (that they wait).
explanation_2: The group of people in the first sentence could be traveling, or chatting, there is nothing to imply that they wait.
explanation_3: just because they are standing don't mean they have to wait
premise_logic: exists e1 p1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7 x8.(n_thing(x7) & n_ground(x7) & a_topic(x4) & on(x4,x6) & on(x6,x7) & with(x7,x8) & on(x8,x7) & n_writing(x8) & a_yellow(s3) & Theme(s3,x8) & n_square(x6) & a_black(s2) & Theme(s2,x6) & a_large(s1) & Theme(s1,x6) & of(x4,x5) & n_people(x5) & n_group(x4) & a_topic(x1) & exists s4.(Theme(s4,x3) & a_near(s4)) & Topic(e1,p1) & Actor(e1,x3) & v_stand(e1) & (x1 = x3) & of(x1,x2) & n_people(x2) & n_group(x1))
hypothesis_logic: exists e1 x1 x2.(Actor(e1,x1) & v_wait(e1) & of(x1,x2) & n_people(x2) & n_group(x1))