A young man sits on a love seat, playing an electronic keyboard.
A young man is flying a plane
A young man cannot sit on a love seat playing an electronic keyboard and fly a plane simultaneously.
exists e1 e2 s1 s2 x1 x2 x3 x4.(for(e1,e2) & Theme(e2,x4) & Actor(e2,x1) & v_play(e2) & n_keyboard(x4) & a_electronic(s2) & Theme(s2,x4) & on(e1,x2) & n_seat(x2) & of(x2,x3) & n_love(x3) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_fly(e1) & n_plane(x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))