People are gathered outside a building and yelling
People are yelling around a building.
We can assume they are outside when they are around a building.
exists e1 x1 x2 x3 x4.(outside(e1,x2) & n_yell(x4) & n_building(x3) & subset_of(x4,x2) & subset_of(x3,x2) & Theme(e1,x1) & v_gather(e1) & n_people(x1))
exists e1 x1 x2.(around(e1,x2) & n_building(x2) & Actor(e1,x1) & v_yell(e1) & n_people(x1))