A man is skiing down a mountain with another large mountain behind him and a river between the mountains.
The man is very great at skiing.
the fact that the man is skiing does not imply that he is great at skiing.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(with(e1,x3) & subset_of(x5,x3) & between(x5,x2) & n_mountain(x2) & n_mountain(x2) & n_mountain(x2) & n_river(x5) & subset_of(x4,x3) & behind(x4,x1) & n_male(x1) & n_mountain(x4) & a_large(s3) & Theme(s3,x4) & -(x4 = x2) & a_large(s2) & Theme(s2,x2) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_ski(e1) & n_man(x1))
exists s1 x1 x2.(n_man(x1) & at(s1,x2) & n_skiing(x2) & r_very(s1) & Theme(s1,x1) & a_great(s1))