Cyclists await the start of a race.
A park ranger is talking to a young boy in a forest of tall trees.
Subject could be cyclists or a park ranger.
exists e1 x1 x2 x3.(n_start(x2) & Theme(e1,x2) & Actor(e1,x1) & v_await(e1) & of(x2,x3) & n_race(x3) & n_cyclist(x1))
exists e1 s1 s2 x1 x2 x3 x4 x5.(to(e1,x3) & in(x3,x4) & of(x4,x5) & n_tree(x5) & a_tall(s2) & Theme(s2,x5) & n_forest(x4) & n_boy(x3) & a_young(s1) & Theme(s1,x3) & Actor(e1,x1) & v_talk(e1) & n_ranger(x1) & of(x1,x2) & n_park(x2))