Skier skiing downhill
A person is sitting by the fireplace.
sitting and skiing are different activities
exists s1 x1 x2.(n_downhill(x1) & of(x1,x2) & n_skiing(x2) & r_more(s1) & a_skier(s1) & Theme(s1,x1) & a_topic(x1))
exists e1 x1 x2.(n_fireplace(x2) & by(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_person(x1))