premise: A child rides a unicycle while a crowd watches.
hypothesis: A group of people sees a kid on a unicycle.
explanation_1: "A crowd watches" is another way to say "group of people sees."
explanation_2: A child rides a unicycle is a kid on a unicycle.  People seeing a kid in unicycle is a crowd that watches the child rides it.
explanation_3: A crowd watches and a group of people sees are equivalent as they watch or see a child or kid on a unicycle or riding a unicycle.
premise_logic: exists e1 p1 x1 x2.(exists e2 x3.(Actor(e2,x3) & v_watch(e2) & n_crowd(x3)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_unicycle(x2) & n_child(x1))
hypothesis_logic: exists e1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_see(e1) & on(x3,x4) & n_unicycle(x4) & n_kid(x3) & of(x1,x2) & n_people(x2) & n_group(x1))