Red versus blue on ice.
Soccer players play on the grassy field.
The first sentence is about ice hockey; the second is about soccer.
exists e1 p1 x1.(ne_geo_red(x1) & exists s1 x2.(on(s1,x2) & n_ice(x2) & Theme(s1,x1) & a_blue(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_versus(e1))
exists e1 s1 x1 x2 x3.(n_field(x3) & a_grassy(s1) & Theme(s1,x3) & on(e1,x3) & Actor(e1,x1) & v_play(e1) & n_player(x1) & (x1 = x2) & ne_nam_soccer(x2))