A man juggling while riding a unicycle in front of a crowd of people.
A man juggles while dancing in front of people.
A man cannot be riding a unicycle and dancing at the same time.
exists e2 e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & while(e1,e2) & in(e2,x4) & of(x4,x5) & of(x5,x6) & n_people(x6) & n_crowd(x5) & n_front(x4) & Theme(e2,x3) & Actor(e2,x2) & v_ride(e2) & n_unicycle(x3) & Actor(e1,x2) & v_juggle(e1) & (x1 = x2) & n_man(x1))
exists e2 e1 x1 x2 x3.(while(e1,e2) & in(e2,x2) & of(x2,x3) & n_people(x3) & n_front(x2) & Actor(e2,x1) & v_dance(e2) & Actor(e1,x1) & v_juggle(e1) & n_man(x1))