Two people are throwing a black garbage back into a green dumpster.
Some humans throwing.
people are a rephasing of humans.
exists e1 s1 s2 s3 x1 x2 x3.(into(e1,x3) & n_dumpster(x3) & a_green(s3) & Theme(s3,x3) & a_back(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_throw(e1) & n_garbage(x2) & a_black(s1) & Theme(s1,x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2.(a_topic(x1) & Actor(e1,x2) & v_throw(e1) & (x1 = x2) & n_human(x1))