a person waving long red flags
A person has flags in his hand.
Someone who is waving flags implies they have flags in their hand.
exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wave(e1) & n_flag(x3) & a_red(s1) & Theme(s1,x3) & r_long(x3) & (x1 = x2) & n_person(x1))
exists e1 x1 x2 x3.(in(e1,x3) & n_hand(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_flag(x2) & n_person(x1))