A construction worker in a red hard hat is working.
The worker dropped his tool.
It cannot be inferred that the construction worker dropped his tool.
exists e1 s1 s2 x1 x2 x3.(Actor(e1,x1) & v_work(e1) & in(x1,x3) & n_hat(x3) & a_hard(s2) & Theme(s2,x3) & a_red(s1) & Theme(s1,x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))
exists e1 x1 x2.(n_tool(x2) & of(x2,x1) & n_male(x1) & n_worker(x1) & Theme(e1,x2) & Actor(e1,x1) & v_drop(e1))