Three people in various stages of swimming strokes race along colorful lane markers.
The people here are racing at a swim meet.
Just because three people are swimming in a pool racing doesn't mean they are racing at a swim meet.
exists s1 s2 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & in(x1,x2) & of(x2,x3) & along(x3,x6) & n_marker(x6) & of(x6,x7) & n_lane(x7) & a_colorful(s2) & Theme(s2,x6) & n_race(x3) & of(x3,x5) & n_stroke(x5) & of(x3,x4) & n_swimming(x4) & n_stage(x2) & a_various(s1) & Theme(s1,x2) & n_people(x1) & card_eq_3(x1))
exists e2 e1 x1 x2 x3.(n_people(x1) & Actor(e2,x1) & v_meet(e2) & at(e1,x3) & n_swim(x3) & Actor(e1,x2) & v_race(e1) & (x1 = x2) & r_here(x1))