Skier skiing downhill
Someone is skiing downhill.
Sentence one says the skier is skiing downhill Sentence two says someone, which could be the skier, is skiing downhill
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.(Theme(e1,x2) & Actor(e1,x1) & v_ski(e1) & n_downhill(x2) & n_person(x1))