Four men dressed in Chicago Cubs shirts are walking while wearing brown bags over their heads that spell out "C-U-B-S."
The men are wearing clothing.
If the men are dressed in shirts then it means that they are wearing clothing.
exists e3 e1 e4 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8 x9.(while(e2,e4) & Theme(e4,x6) & Actor(e4,x1) & v_wear(e4) & over(x6,x7) & a_out(s2) & Manner(e3,s2) & Theme(e3,x9) & Actor(e3,x8) & v_spell(e3) & n_c-u-b-(x9) & (x7 = x8) & n_head(x7) & of(x7,x1) & n_thing(x1) & n_bag(x6) & a_brown(s1) & Theme(s1,x6) & Actor(e2,x1) & v_walk(e2) & in(e1,x3) & n_shirt(x3) & (x3 = x5) & ne_geo_cubs(x5) & (x3 = x4) & ne_geo_chicago(x4) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_man(x1) & card_eq_4(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_clothing(x2))