A kayaker in a red kayak paddles as an orange kayak approaches from behind.
Two kayakers engage in a race.
The kayaks might just be near each other, but not involved in a race.
exists s1 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & in(x1,x2) & as(x2,x4) & from(x4,x7) & n_behind(x7) & n_approach(x4) & of(x4,x6) & n_kayak(x6) & of(x4,x5) & n_orange(x5) & n_paddle(x2) & of(x2,x3) & n_kayak(x3) & a_red(s1) & Theme(s1,x2) & n_kayaker(x1))
exists e1 x1 x2.(in(e1,x2) & n_race(x2) & Actor(e1,x1) & v_engage(e1) & n_kayaker(x1) & card_eq_2(x1))