A group of people in white shirts and red bandannas are congregated together.
one person is wearing a bandana
One person does not mean a group of people.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(a_together(s3) & Manner(e1,s3) & Theme(e1,x1) & v_congregate(e1) & of(x1,x2) & subset_of(x5,x2) & n_bandanna(x5) & a_red(s2) & Theme(s2,x5) & subset_of(x3,x2) & in(x3,x4) & n_shirt(x4) & a_white(s1) & Theme(s1,x4) & n_people(x3) & n_group(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_bandana(x2) & n_person(x1) & card_eq_1(x1))