A little boy is riding his bike on what appears to be a walking trail.
This boy has ridden a bike at least once in his life.
A boy riding his bike on a walking trail suggests that he has ridden a bike at least once in his life
exists e1 s1 x1 x2.(exists e2 p1 x3.(n_thing(x3) & on(e1,x3) & Topic(e2,p1) & Actor(e2,x3) & v_appear(e2) & exists p2 x4 x5.((x3 = x4) & n_trail(x4) & of(x4,x5) & n_walking(x5))) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & of(x2,x1) & n_male(x1) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4.(n_life(x4) & of(x4,x1) & n_male(x1) & n_boy(x1) & in(e1,x4) & card_eq_1(x3) & n_time(x3) & Frequency(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2))