Two young boys, both wearing swim trunks and a shirt, are playing in the ocean.
Two girls are sunning themselves at a beach.
Boys are not the same as girls. Playing in the ocean can't be done while sunning. You have to be laying down to be sunning.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6 x7.(n_ocean(x7) & in(e2,x7) & Actor(e2,x1) & v_play(e2) & rel(x1,x2) & Time(x2,x6) & n_both(x6) & subset_of(x5,x2) & n_shirt(x5) & subset_of(x3,x2) & n_trunk(x3) & of(x3,x4) & n_swim(x4) & Actor(e1,x3) & v_wear(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(n_group(x2) & at(e1,x3) & n_beach(x3) & Theme(e1,x2) & Actor(e1,x1) & v_sun(e1) & n_girl(x1) & card_eq_2(x1))