A group of children playing on the street, some on bicycles, and one on a scooter, and one in a blue shirt walking.
The children are all on bicycles.
either some children on bicycles or all on bicycles.
exists e1 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 x13.(n_street(x4) & a_topic(x1) & of(x1,x2) & on(e1,x4) & rel(x4,x5) & subset_of(x11,x5) & in(x11,x12) & n_walking(x12) & of(x12,x13) & n_shirt(x13) & a_blue(s1) & Theme(s1,x12) & n_thing(x11) & card_eq_1(x11) & subset_of(x6,x5) & subset_of(x9,x6) & on(x9,x10) & n_scooter(x10) & n_thing(x9) & card_eq_1(x9) & subset_of(x7,x6) & on(x7,x8) & n_bicycle(x8) & n_thing(x7) & Actor(e1,x3) & v_play(e1) & (x2 = x3) & n_child(x2) & n_group(x1))
exists p1 x1.(n_child(x1) & exists x2.(r_all(x1) & on(x1,x2) & n_bicycle(x2)))