Two young boys hold a crying infant while both are sitting in the same chair.
The boys and infant are on the same chair.
Young boys are boys. Both are sitting in the same chair implies they are on the same chair.
exists e1 e2 p1 s1 s2 x1 x2 x4.(n_chair(x4) & a_same(s2) & Theme(s2,x4) & exists e3 x3.(in(e3,x4) & Actor(e3,x3) & v_sit(e3) & n_thing(x3)) & while(e2,p1) & Theme(e2,x2) & Actor(e2,x1) & v_hold(e2) & n_infant(x2) & Actor(e1,x2) & v_cry(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists p1 s1 x1 x2 x3 x4.(n_chair(x4) & a_same(s1) & Theme(s1,x4) & n_infant(x3) & n_boy(x2) & subset_of(x3,x1) & subset_of(x2,x1) & on(x1,x4))