The man sits on a sofa under the bridge and litter is all around him.
The bridge is colored blue.
Bridges are not always blue.
exists e1 p1 x1 x2 x3 x4.(n_male(x3) & n_bridge(x3) & n_man(x1) & r_all(x4) & around(x4,x3) & n_litter(x4) & under(e1,x3) & on(e1,x2) & n_sofa(x2) & Actor(e1,x1) & v_sit(e1))
exists e1 p1 x1.(n_bridge(x1) & exists s1.(Theme(s1,x1) & a_blue(s1)) & Recipient(e1,p1) & Topic(e1,x1) & v_color(e1))