A man in a blue hat and sweater, working on a wall.
The man is inside.
The man is either inside or he is working on a wall.
exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & on(e1,x6) & n_wall(x6) & Actor(e1,x5) & v_work(e1) & (x1 = x5) & in(x1,x2) & n_sweater(x4) & n_hat(x3) & a_blue(s1) & Theme(s1,x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_man(x1))
exists e1 s1 x1.(n_man(x1) & a_inside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_be(e1))