Two people taking a tight turn on motorcycles, the leading motorcycle is purple and the lagging is green.
The people are in cars
The people are either on motorcycles or in cars.
exists e2 e1 s1 s2 s3 x1 x2 x3 x4 x5.(n_lagging(x5) & Theme(s3,x5) & a_green(s3) & rel(s1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_take(e2) & on(x4,x1) & n_motorcycle(x1) & n_motorcycle(x1) & n_turn(x4) & a_tight(s2) & Theme(s2,x4) & (x2 = x3) & n_people(x2) & card_eq_2(x2) & Theme(s1,x1) & a_purple(s1) & Actor(e1,x1) & v_lead(e1))
exists p1 x1.(n_people(x1) & exists x2.(in(x1,x2) & n_car(x2)))