A man is lying in the snow on his back, working on something mechanical above him.
the man is ice skating
A man cannot be lying and skating at the same time.
exists e2 e1 s1 x1 x2 x3 x4 x5.(n_male(x2) & n_male(x2) & n_back(x3) & of(x3,x2) & n_snow(x2) & for(e1,e2) & on(e2,x4) & above(x4,x2) & Theme(s1,x5) & a_mechanical(s1) & (x4 = x5) & n_thing(x4) & Actor(e2,x1) & v_work(e2) & on(e1,x3) & in(e1,x2) & Actor(e1,x1) & v_lie(e1) & n_man(x1))
exists p1 x1.(n_man(x1) & exists e1 x2 x3.((x1 = x2) & Actor(e1,x3) & v_skate(e1) & (x2 = x3) & n_ice(x2)))