A man doing tricks in the snow.
The man is snowboarding
doing tricks in snow implies snowboarding
exists e1 x1 x2 x3 x4.(n_snow(x4) & a_topic(x1) & in(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & n_trick(x3) & (x1 = x2) & n_man(x1))
exists e1 x1.(n_man(x1) & Actor(e1,x1) & v_snowboard(e1))