A man pushes a stack of crates that goes up to his chin across a brick sidewalk.
The man is working.
It cannot be inferred that the man is working while he pushes the stack.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6 x7.(Theme(e2,x2) & Actor(e2,x1) & v_push(e2) & of(x2,x3) & across(e1,x6) & n_sidewalk(x6) & of(x6,x7) & n_brick(x7) & to(e1,x5) & n_chin(x5) & of(x5,x1) & n_male(x1) & a_up(s1) & Manner(e1,s1) & Actor(e1,x4) & v_go(e1) & (x3 = x4) & n_crate(x3) & n_stack(x2) & n_man(x1))
exists e1 x1.(n_man(x1) & Actor(e1,x1) & v_work(e1))