People sit and stand near a fountain.
The people are playing basketball.
People also need to move around while playing basketball. They just cannot sit and stand.
exists e2 e1 x1 x2 x3 x4.(near(e2,x4) & n_fountain(x4) & Actor(e2,x3) & v_stand(e2) & n_people(x3) & near(e1,x2) & n_fountain(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1))
exists e1 x1 x2.(n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_basketball(x2))