A young man in shorts and a polo shirt is carrying a garbage bag out of an empty lot with another man following him.
A man is being followed by another man.
If X is following Y, then Y is being followed by X.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(follow(e1,x2) & n_male(x2) & Theme(e1,x6) & Actor(e1,x1) & v_carry(e1) & of(x8,x9) & with(x9,x10) & n_man(x10) & -(x10 = x2) & n_man(x2) & n_man(x2) & n_lot(x9) & a_empty(s2) & Theme(s2,x9) & out(x6,x8) & n_thing(x8) & n_bag(x6) & of(x6,x7) & n_garbage(x7) & subset_of(x4,x1) & n_shirt(x4) & of(x4,x5) & n_polo(x5) & subset_of(x2,x1) & in(x2,x3) & n_shorts(x3) & a_young(s1) & Theme(s1,x2))
exists e1 x1 x2.(Actor(e1,x2) & n_man(x2) & -(x2 = x1) & n_man(x1) & n_man(x1) & Theme(e1,x1) & v_follow(e1))