A young boy walking through the courtyard of ruined buildings.
Two men carrying lamps up a staircase.
A young by walking is not the same as men carrying lamps.
exists e1 s1 s2 x1 x2 x3 x4.(n_courtyard(x3) & a_topic(x1) & through(e1,x3) & of(x3,x4) & n_building(x4) & a_ruined(s2) & Theme(s2,x4) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_carry(e1) & up(x3,x4) & n_staircase(x4) & n_lamp(x3) & (x1 = x2) & n_man(x1) & card_eq_2(x1))