A snowboarder wearing orange is going down a mountain.
The man is snowboarding during the evening.
It is not inferred from the first statement that it is the evening, or that he is snowboarding down the mountain.
exists e1 e2 s1 x1 x2 x3.(a_down(s1) & Manner(e2,s1) & Theme(e2,x3) & Actor(e2,x1) & v_go(e2) & n_mountain(x3) & n_orange(x1) & Actor(e1,x1) & v_wear(e1) & of(x1,x2) & n_snowboarder(x2))
exists e1 x1 x2.(n_evening(x2) & n_man(x1) & during(e1,x2) & Actor(e1,x1) & v_snowboard(e1))