Person wearing a sign on the sidewalk that says' OURO'.
There is a person outdoors
Sidewalk implies outdoors, and a person wearing a sign is a type of person.
exists e1 p1 x1 x2 x3.(Topic(x3,p1) & exists e2 s1 x4 x5.(Actor(e2,x4) & v_say(e2) & n_'(x4) & (x4 = x5) & ne_per_ouro(x5) & a_'(s1) & Theme(s1,x4)) & n_sidewalk(x3) & ne_nam_person(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & on(x2,x3) & n_sign(x2))
exists p1 x1 x2 x3.((x1 = x2) & Time(x2,x3) & n_outdoors(x3) & n_person(x2))