A boy cleaning up garbage
There is a boy in shed.
A boy is cleaning up garbage in the shed.
exists e1 s1 x1 x2 x3.(a_topic(x1) & a_up(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_clean(e1) & n_garbage(x3) & (x1 = x2) & n_boy(x1))
exists p1 x1 x2 x3.((x1 = x2) & in(x2,x3) & n_shed(x3) & n_boy(x2))