Onlookers are mesmerized by a man juggling flaming rods while riding a unicycle.
Onlookers are watching a man juggling flaming rods on a unicycle in the park.
Just because the person is riding a unicycle doesn't mean that the person is in the park.
exists e3 e1 e2 s1 x1 x2 x3 x4 x5.(Actor(e1,x2) & while(e2,e3) & Theme(e3,x5) & Actor(e3,x3) & v_ride(e3) & n_unicycle(x5) & Theme(e2,x4) & Actor(e2,x3) & v_juggle(e2) & n_rod(x4) & a_flaming(s1) & Theme(s1,x4) & (x2 = x3) & n_man(x2) & Theme(e1,x1) & v_mesmerize(e1) & n_onlooker(x1))
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(n_park(x6) & Theme(e2,x2) & Actor(e2,x1) & v_watch(e2) & Theme(e1,x4) & Actor(e1,x3) & v_juggle(e1) & on(x4,x5) & in(x5,x6) & n_unicycle(x5) & n_rod(x4) & a_flaming(s1) & Theme(s1,x4) & (x2 = x3) & n_man(x2) & n_onlooker(x1))