A man in a green coat checks the carriage equipment hooked up to his black horse.
The man is looking at his horse.
The fact that the man is checking the equipment hooked up to his horse implies that he was looking at the horse.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6.(a_up(s3) & Manner(e1,s3) & to(e1,x6) & n_horse(x6) & a_black(s2) & Theme(s2,x6) & of(x6,x1) & n_male(x1) & Actor(e1,x1) & v_hook(e1) & n_equipment(x4) & of(x4,x5) & n_carriage(x5) & (x1 = x4) & in(x1,x2) & n_check(x2) & of(x2,x3) & n_coat(x3) & a_green(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(n_horse(x2) & of(x2,x1) & n_male(x1) & n_man(x1) & at(e1,x2) & Actor(e1,x1) & v_look(e1))