Two people cycling in the outdoors.
Two people riding bikes in the outdoors.
The sentences are reworded. Cycling means the same as riding bikes.
exists e1 x1 x2 x3.(n_outdoors(x3) & a_topic(x1) & in(e1,x3) & Actor(e1,x2) & v_cycle(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(n_outdoors(x4) & a_topic(x1) & in(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_bike(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))