A group of six people in blue shirts linking arms and walking outside.
The 6 people are all wearing different color shirts.
If they are in different color shirts, then they aren't all in blue shirts.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6.(a_topic(x1) & a_outside(s2) & Manner(e2,s2) & Actor(e2,x6) & v_walk(e2) & (x1 = x6) & Theme(e1,x5) & Actor(e1,x4) & v_link(e1) & n_arm(x5) & (x1 = x4) & of(x1,x2) & in(x2,x3) & n_shirt(x3) & a_blue(s1) & Theme(s1,x3) & n_people(x2) & card_eq_6(x2) & n_group(x1))
exists e1 s1 x1 x2 x3 x4.(n_people(x1) & n_date(x1) & a_date_day_06(x1) & a_date_day_06(x1) & a_all(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & -(x2 = x4) & n_shirt(x4) & of(x4,x3) & n_color(x3) & n_shirt(x2) & of(x2,x3))