A woman plays the guitar and sings.
girl plays basketball
A girl cannot play basketball when she plays the guitar
exists e1 x1 x2 x3 x4.(n_sing(x4) & n_guitar(x3) & subset_of(x4,x2) & subset_of(x3,x2) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_woman(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_basketball(x2) & n_girl(x1))