Two people wearing yellow jackets crosscountry skiing.
Both skiers are wearing red parkas.
They are either wearing yellow jackets, or red parkas.
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_skiing(x3) & a_crosscountry(s2) & Theme(s2,x3) & of(x3,x4) & n_jacket(x4) & a_yellow(s1) & Theme(s1,x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(n_skier(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_parka(x2) & a_red(s1) & Theme(s1,x2))