A young man is shooting billiards at a bar.
A young man is playing football.
The young man is shooting billiards at the bar but most definitely isn't playing football at the bar.
exists e1 s1 x1 x2 x3.(at(e1,x3) & n_bar(x3) & Theme(e1,x2) & Actor(e1,x1) & v_shoot(e1) & n_billiards(x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_football(x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))