Several young people are playing with a ball outside.
The people are happy.
Most people are happy playing with a ball.
exists e1 s1 s2 x1 x2 x3.(with(e1,x2) & n_outside(x2) & of(x2,x3) & n_ball(x3) & Actor(e1,x1) & v_play(e1) & n_people(x1) & a_young(s2) & Theme(s2,x1) & a_several(s1) & Theme(s1,x1))
exists s1 x1.(n_people(x1) & Theme(s1,x1) & a_happy(s1))