Two boys wearing brown shirts tug at a rope on a wooden platform.
Two girls climb down a rope.
The people can't be both boys and girls. And they can't both be climbing down the rope and tugging at a rope.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(a_topic(x1) & on(e1,x6) & n_platform(x6) & a_wooden(s2) & Theme(s2,x6) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & at(x3,x5) & n_rope(x5) & n_tug(x3) & of(x3,x4) & n_shirt(x4) & a_brown(s1) & Theme(s1,x3) & (x1 = x2) & n_boy(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_rope(x2) & n_girl(x1) & card_eq_2(x1))