A lone protester in a black jacket on the sidewalk.
A protestor is yelling towards a building
A protestor protests in front of a building
exists s1 s2 x1 x2 x3.(n_sidewalk(x3) & a_topic(x1) & in(x1,x2) & on(x2,x3) & n_jacket(x2) & a_black(s2) & Theme(s2,x2) & n_protester(x1) & a_lone(s1) & Theme(s1,x1))
exists e1 x1 x2.(towards(e1,x2) & n_building(x2) & Actor(e1,x1) & v_yell(e1) & n_protestor(x1))