A man is crosscountry skiing.
A man has skis.
The man is crosscountry skiing so he must have skis.
exists p1 x1.(exists s1 x2.((x1 = x2) & n_skiing(x2) & a_crosscountry(s1) & Theme(s1,x2)) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_ski(x2) & n_man(x1))