The man sits on a sofa under the bridge and litter is all around him.
a homeless man is looking for cans around him
Sitting on the sofa under a bridge does not necessarily imply that he is looking for cans around him, nor does it imply that he is homeless.
exists e1 p1 x1 x2 x3 x4.(n_male(x3) & n_bridge(x3) & n_man(x1) & r_all(x4) & around(x4,x3) & n_litter(x4) & under(e1,x3) & on(e1,x2) & n_sofa(x2) & Actor(e1,x1) & v_sit(e1))
exists e1 s1 x1 x2.(for(e1,x2) & around(x2,x1) & n_male(x1) & n_can(x2) & Actor(e1,x1) & v_look(e1) & n_man(x1) & a_homeless(s1) & Theme(s1,x1))