two boys on a balance beam holding a rope
Boys having fun on obstacle course.
Boys are on a balance beam which is a part of an obstacle course.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & on(x1,x2) & Theme(e1,x5) & Actor(e1,x4) & v_hold(e1) & n_rope(x5) & (x2 = x4) & n_beam(x2) & of(x2,x3) & n_balance(x3) & n_boy(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & on(e1,x4) & n_course(x4) & of(x4,x5) & n_obstacle(x5) & Theme(e1,x3) & Actor(e1,x2) & v_have(e1) & n_fun(x3) & (x1 = x2) & n_boy(x1))