A groomsman at a wedding is showing off hula-hooping skills in front of the cameras and the bridesmaids.
The groomsman is sitting on the couch.
One is not usually sitting on a couch while hula-hooping.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7.(n_bridesmaid(x7) & n_camera(x6) & a_off(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x1) & v_show(e1) & in(x3,x4) & of(x4,x5) & subset_of(x7,x5) & subset_of(x6,x5) & n_front(x4) & n_skill(x3) & a_hula-hooping(s1) & Theme(s1,x3) & at(x1,x2) & n_wedding(x2) & n_groomsman(x1))
exists e1 x1 x2.(n_couch(x2) & n_groomsman(x1) & on(e1,x2) & Actor(e1,x1) & v_sit(e1))