a man wearing a yellow shirt standing in the middle of a bunch of garbage and a graffitied wall.
A garbage man prepares to pick up some garbage by a wall.
A man standing in the middle of a bunch of garbage and a graffitied wall does not imply that he is a garbage man or that he prepares to pick up garbage.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_middle(x5) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & in(x3,x5) & of(x5,x6) & subset_of(x9,x6) & n_wall(x9) & a_graffitied(s2) & Theme(s2,x9) & subset_of(x7,x6) & of(x7,x8) & n_garbage(x8) & n_bunch(x7) & n_standing(x3) & of(x3,x4) & n_shirt(x4) & a_yellow(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1))
exists e1 p1 x1 x2.(Topic(e1,p1) & Actor(e1,x1) & v_prepare(e1) & exists e2 s1 x3 x4.(by(e2,x4) & n_wall(x4) & a_up(s1) & Manner(e2,s1) & Theme(e2,x3) & Actor(e2,x1) & v_pick(e2) & n_garbage(x3)) & n_man(x1) & of(x1,x2) & n_garbage(x2))