Two cyclists riding in a line while number two is ahead of number three.
A  boat race on the lake.
The first consists of cyclists the second is a boat race.
exists e1 p1 x1 x2 x3.(a_topic(x1) & exists s1 x4 x5 x6.(of(s1,x6) & n_number(x6) & card_eq_3(x6) & Theme(s1,x4) & a_ahead(s1) & Time(x4,x5) & n_two(x5) & n_number(x4)) & while(e1,p1) & in(e1,x3) & n_line(x3) & Actor(e1,x2) & v_ride(e1) & (x1 = x2) & n_cyclist(x1) & card_eq_2(x1))
exists x1 x2 x3.(n_lake(x3) & a_topic(x1) & on(x1,x3) & n_race(x1) & of(x1,x2) & n_boat(x2))