Two boys wearing red shirts are sharing a lawn chair together.
The girls do flips
The subject must be either boys or girls. Sharing a lawn chair is a sitting activity, while doing flips is different and more active.
exists e2 e1 s1 s2 x1 x2 x3 x4 x5.(a_together(s2) & Manner(e2,s2) & Theme(e2,x4) & Actor(e2,x1) & v_share(e2) & n_chair(x4) & of(x4,x5) & n_lawn(x5) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_shirt(x3) & a_red(s1) & Theme(s1,x3) & (x1 = x2) & n_boy(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_girl(x1) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_flip(x2))