A man is on a rooftop re-patching the roof.
A man patching up a roof.
A man is patching up a roof on a rooftop .
exists p1 x1 x4.(n_roof(x4) & exists e1 x2 x3.(on(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_re-patch(e1) & (x2 = x3) & n_rooftop(x2)) & n_man(x1))
exists e1 s1 x1 x2 x3.(a_topic(x1) & a_up(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_patch(e1) & n_roof(x3) & (x1 = x2) & n_man(x1))