premise: A child rides a unicycle while a crowd watches.
hypothesis: A child is riding a bicycle on a sidewalk.
explanation_1: a unicycle is different than a bicycle
explanation_2: A unicycle is not a bicycle.
explanation_3: The child is either riding a unicycle or a bicycle.
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.(on(e1,x3) & n_sidewalk(x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bicycle(x2) & n_child(x1))