Four guys and one girl three guys are wearing short-sleeve shirt and the girl and the other guy is wearing tanks.
Everyone is shirtless.
Everyone wouldn't be shirtless if they have short-sleeve shirts on.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7.(Theme(e2,x7) & Actor(e2,x6) & v_wear(e2) & n_tank(x7) & subset_of(x4,x6) & -(x4 = x2) & n_guy(x2) & n_guy(x2) & n_guy(x4) & n_guy(x4) & subset_of(x3,x6) & n_girl(x3) & n_girl(x3) & Theme(e1,x5) & Actor(e1,x1) & v_wear(e1) & n_shirt(x5) & a_short-sleeve(s1) & Theme(s1,x5) & subset_of(x3,x1) & n_three(x3) & Time(x3,x4) & card_eq_1(x3) & subset_of(x2,x1) & card_eq_4(x2))
all x1.(n_person(x1) -> exists s1.(Theme(s1,x1) & a_shirtless(s1)))