Two boys try to attach fruits to a bicycle on a dirt road.
There are children playing with fruits and bicycles on a dirt road.
Boys implies more than one child (boy) which explains the use of children. If the children are attached fruits to a bicycle, then they are playing with fruits and bicycles.
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 x2 x3 x4 x5.(on(e2,x4) & n_road(x4) & of(x4,x5) & n_dirt(x5) & to(e2,x3) & n_bicycle(x3) & Theme(e2,x2) & Actor(e2,x1) & v_attach(e2) & n_fruit(x2)) & n_boy(x1) & card_eq_2(x1))
exists p1 x1 e1 x2 x3 x4 x5 x6 x7 x8.((x1 = x2) & on(e1,x7) & n_road(x7) & of(x7,x8) & n_dirt(x8) & with(e1,x4) & subset_of(x6,x4) & n_bicycle(x6) & subset_of(x5,x4) & n_fruit(x5) & Actor(e1,x3) & v_play(e1) & (x2 = x3) & n_child(x2))