A man plays guitar in an outside theater.
A man is scuba diving at the reef.
Someone playing guitar is not a scuba diver.
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_theater(x3) & a_outside(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2) & n_man(x1))
exists p1 x1 x2.(n_reef(x2) & at(p1,x2) & exists s1 x3.((x1 = x3) & n_diving(x3) & a_scuba(s1) & Theme(s1,x3)) & n_man(x1))