Two men in blue shirts climbing on rocks.
Two men wearing shirts climbing on rocks.
Blue shirts is a specific description of shirt, and two men is repeated.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_rock(x4) & Actor(e1,x3) & v_climb(e1) & (x1 = x3) & in(x1,x2) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1) & card_eq_2(x1))
exists e1 e2 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_wear(e2) & on(e1,x5) & n_rock(x5) & Actor(e1,x4) & v_climb(e1) & (x3 = x4) & n_shirt(x3) & (x1 = x2) & n_man(x1) & card_eq_2(x1))