A guy wearing a dark blue shirt is playing pool.
A guy is bowling.
The man can't be playing pool and bowling at the same time.
exists e1 e2 s1 s2 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x1) & v_play(e2) & n_pool(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_shirt(x3) & a_blue(s2) & Theme(s2,x3) & a_dark(s1) & Theme(s1,x3) & (x1 = x2) & n_guy(x1))
exists e1 x1.(Actor(e1,x1) & v_bowl(e1) & n_guy(x1))