Another man in a gray sweatshirt also rides a horse.
There is another person in light clothing riding an animal.
Another man or person in light clothing, a gray sweatshirt, also is riding an animal that is a horse.
exists e1 s1 s2 x1 x2 x3 x4.(n_man(x1) & a_also(s2) & Manner(e1,s2) & Theme(e1,x4) & Actor(e1,x2) & v_ride(e1) & n_horse(x4) & in(x2,x3) & n_sweatshirt(x3) & a_gray(s1) & Theme(s1,x3) & n_man(x2) & -(x2 = x1))
exists p1 x1 x2.(n_person(x2) & exists e1 s1 x3 x4 x5 x6.((x1 = x3) & Theme(e1,x6) & Actor(e1,x5) & v_ride(e1) & n_animal(x6) & (x3 = x5) & in(x3,x4) & n_clothing(x4) & a_light(s1) & Theme(s1,x4) & n_person(x3) & -(x3 = x2)))