A unique couple showing affection in public next to a couple of bikes.
A couple is making love while in bed.
Unique couple is a more specific statement compared to couple. In public implies outdoors or out of the house which is in direct contradiction to in bed which implies in the house or indoors.
exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & to(e1,x5) & of(x5,x6) & n_bike(x6) & n_couple(x5) & r_next(e1) & in(e1,x4) & n_public(x4) & Theme(e1,x3) & Actor(e1,x2) & v_show(e1) & n_affection(x3) & (x1 = x2) & n_couple(x1) & a_unique(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(in(e1,x3) & n_bed(x3) & r_while(e1) & Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & n_love(x2) & n_couple(x1))