A couple quietly kisses in the dark.
A couple is exchanging saliva in the dark.
exchanging saliva is a form of kissing.
exists e1 s1 x1 x2.(n_dark(x2) & a_quietly(s1) & Manner(e1,s1) & in(e1,x2) & Actor(e1,x1) & v_kiss(e1) & n_couple(x1))
exists e1 x1 x2 x3.(n_dark(x3) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_exchange(e1) & n_saliva(x2) & n_couple(x1))