A man is jogging through a crowded park.
A man is chasing the clown through the circus.
A man cannot be jogging through a crowded park and chasing a clown through the circus at the same time.
exists e1 s1 x1 x2.(through(e1,x2) & n_park(x2) & a_crowded(s1) & Theme(s1,x2) & Actor(e1,x1) & v_jog(e1) & n_man(x1))
exists e1 x1 x2 x3.(n_circus(x3) & n_clown(x2) & through(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_man(x1))