A man and a woman wearing masks embrace at an outdoor festival.
A couple is hugging at an outdoor festival.
Not every man and woman who hug are part of a couple.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(at(e2,x6) & n_festival(x6) & a_outdoor(s1) & Theme(s1,x6) & Actor(e2,x1) & v_embrace(e2) & subset_of(x3,x1) & Theme(e1,x5) & Actor(e1,x4) & v_wear(e1) & n_mask(x5) & (x3 = x4) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists e1 s1 x1 x2.(at(e1,x2) & n_festival(x2) & a_outdoor(s1) & Theme(s1,x2) & Actor(e1,x1) & v_hug(e1) & n_couple(x1))