People with american flags gathered on the street.
People with american hats gathered on the street.
people with american have differente thing ones flags other one hats
exists e1 s1 x1 x2 x3.(n_street(x3) & on(e1,x3) & Actor(e1,x1) & v_gather(e1) & with(x1,x2) & n_flag(x2) & a_american(s1) & Theme(s1,x2) & n_people(x1))
exists e1 s1 x1 x2 x3.(n_street(x3) & on(e1,x3) & Actor(e1,x1) & v_gather(e1) & with(x1,x2) & n_hat(x2) & a_american(s1) & Theme(s1,x2) & n_people(x1))