A group parades through the streets of a city holding flags and signs.
There are people in a city.
If people are going through the city streets, they are in the city. A group is a group of people.
exists e2 e1 x1 x2 x3 x4 x5 x6 x7.(n_street(x2) & through(e1,x2) & Theme(e2,x5) & Actor(e2,x4) & v_hold(e2) & subset_of(x7,x5) & n_sign(x7) & subset_of(x6,x5) & n_flag(x6) & (x2 = x4) & of(x2,x3) & n_city(x3) & Actor(e1,x1) & v_parade(e1) & n_group(x1))
exists p1 x1 x2 x3.((x1 = x2) & in(x2,x3) & n_city(x3) & n_people(x2))