People gathering outside with signs.
a crowd of people outside
IF YOU HOLD SIGNS YOU ARE USLALY OUTSIDE IN A GATHERING.
exists e1 x1 x2 x3.(a_topic(x1) & with(e1,x3) & n_sign(x3) & r_outside(e1) & Actor(e1,x2) & v_gather(e1) & (x1 = x2) & n_people(x1))
exists s1 x1 x2 x3.(a_topic(x1) & Theme(s1,x3) & a_outside(s1) & (x1 = x3) & of(x1,x2) & n_people(x2) & n_crowd(x1))