Two men, one wearing a green shirt, the other wearing red are rollerblading.
 Two men are rollerblading.
Two men rollerblading is part of the overall description of them one wearing green shirt and other wearing red.
exists e2 e1 e4 e3 s1 x1 x2 x3 x4 x5 x6.(-(x6 = x6) & n_red(x6) & Actor(e2,x6) & v_wear(e2) & Actor(e1,x6) & v_wear(e1) & Actor(e4,x1) & v_rollerblade(e4) & rel(x1,x2) & Theme(e3,x4) & Actor(e3,x3) & v_wear(e3) & subset_of(x6,x4) & subset_of(x5,x4) & n_shirt(x5) & a_green(s1) & Theme(s1,x5) & (x2 = x3) & n_thing(x2) & card_eq_1(x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1.(Actor(e1,x1) & v_rollerblade(e1) & n_man(x1) & card_eq_2(x1))