Two men with backpacks hiking by a large tree.
Two black men are carrying a backpacks and hiking by a large tree.
men are not specified as black
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & with(x1,x2) & by(e1,x4) & n_tree(x4) & a_large(s1) & Theme(s1,x4) & Actor(e1,x3) & v_hike(e1) & (x2 = x3) & n_backpack(x2) & n_man(x1) & card_eq_2(x1))
exists e1 s1 s2 x1 x2 x3 x4 x5.(Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & subset_of(x4,x2) & by(x4,x5) & n_tree(x5) & a_large(s2) & Theme(s2,x5) & n_hiking(x4) & subset_of(x3,x2) & n_backpack(x3) & n_man(x1) & a_black(s1) & Theme(s1,x1) & card_eq_2(x1))