People in a crowd behind a yellow metal gate.
People are stuck in a crowd
People behind a yellow metal gate are stuck in a crowd.
exists s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & behind(x2,x3) & n_gate(x3) & of(x3,x4) & n_metal(x4) & a_yellow(s1) & Theme(s1,x3) & n_crowd(x2) & n_people(x1))
exists e1 x1 x2.(in(e1,x2) & n_crowd(x2) & Theme(e1,x1) & v_stick(e1) & n_people(x1))