A crowd of people watching a fellow on a unicycle at night.
A man is riding in front of others.
if people are watching the man has to be in front
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & of(x1,x2) & at(e1,x6) & n_night(x6) & Theme(e1,x4) & Actor(e1,x3) & v_watch(e1) & on(x4,x5) & n_unicycle(x5) & n_fellow(x4) & (x2 = x3) & n_people(x2) & n_crowd(x1))
exists e1 x1 x2 x3.(in(e1,x2) & of(x2,x3) & -(x3 = x1) & n_person(x1) & n_person(x3) & n_front(x2) & Actor(e1,x1) & v_ride(e1) & n_man(x1))