Two children ride their tricycles on a sidewalk in front of a brightly painted wall.
the children are outside
Two children are children, and sidewalk implies outside.
exists e1 s1 x1 x2 x3 x4 x5.(in(e1,x4) & of(x4,x5) & n_wall(x5) & a_painted(s1) & Theme(s1,x5) & r_brightly(x5) & n_front(x4) & on(e1,x3) & n_sidewalk(x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_tricycle(x2) & of(x2,x1) & n_thing(x1) & n_child(x1) & card_eq_2(x1))
exists s1 x1.(n_child(x1) & Theme(s1,x1) & a_outside(s1))