All of the people watch as the boy hits the ball across the park.
The boy plays ball alone in the park.
The boy cannot be alone in the park and also have all the people watch
exists x2 x4 x5 x6.(n_park(x6) & n_ball(x5) & n_boy(x4) & n_people(x2) & all x1.(n_thing(x1) -> exists e1 p1 x3.(exists e2.(across(e2,x6) & Theme(e2,x5) & Actor(e2,x4) & v_hit(e2)) & as(e1,p1) & Theme(e1,x3) & Actor(e1,x1) & v_watch(e1) & n_thing(x3) & of(x1,x2))))
exists e1 x1 x2 x3.(n_park(x3) & n_boy(x1) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & r_alone(x2) & n_ball(x2))