The man wearing orange is dropping tools from the upper scaffold to the man in the red vest on the lower scaffold.
The workers are taking a lunch break.
The men cannot be dropping tools and taking lunch break at the same time.
exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5 x6.(n_scaffold(x5) & n_scaffold(x5) & r_more(s3) & a_lower(s3) & Theme(s3,x5) & n_vest(x6) & a_red(s2) & Theme(s2,x6) & n_man(x1) & n_man(x1) & a_upper(s1) & Theme(s1,x5) & on(e2,x5) & in(e2,x6) & to(e2,x1) & from(e2,x5) & Theme(e2,x4) & Actor(e2,x1) & v_drop(e2) & n_tool(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_orange(x3) & (x1 = x2))
exists e1 x1 x2 x3.(n_worker(x1) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_break(x2) & of(x2,x3) & n_lunch(x3))