A bicycle with a basket is on a sidewalk.
A red bicycle with a basket is crossing my sidewalk.
We do not know the bicycle is red or that it is crossing my sidewalk.
exists p1 x1 x2.(exists x3.(on(x1,x3) & n_sidewalk(x3)) & with(x1,x2) & n_basket(x2) & n_bicycle(x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_cross(e1) & n_sidewalk(x3) & of(x3,x1) & n_person(x1) & with(x1,x2) & n_basket(x2) & n_bicycle(x1) & a_red(s1) & Theme(s1,x1))