A man prepping paint to do some painting.
A man throws out two empty paint cans after painting the roof.
The man can not be prepping to paint and throwing out empty paint cans at the same time.
exists e1 p1 x1 x2 x3 x4.(a_topic(x1) & Topic(e1,p1) & exists e2 x5.(Theme(e2,x5) & Actor(e2,x2) & v_do(e2) & n_painting(x5)) & Theme(e1,x4) & Actor(e1,x3) & v_prep(e1) & n_paint(x4) & (x1 = x3) & (x1 = x2) & n_man(x1))
exists e1 e2 s1 s2 x1 x2 x3 x4.(n_roof(x4) & after(e1,e2) & Theme(e2,x4) & Actor(e2,x1) & v_paint(e2) & a_out(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_throw(e1) & n_can(x2) & of(x2,x3) & n_paint(x3) & a_empty(s1) & Theme(s1,x2) & card_eq_2(x2) & n_man(x1))