A woman in a white and tan striped dress sits in the lap of a man with a tan collared shirt.
The couple is sitting on a couch.
A woman  sitting in the lap of a man doesn't mean they are sitting on a couch.
exists e1 s1 s2 s3 s4 s5 x1 x2 x3 x4 x5.(n_lap(x3) & with(e1,x5) & n_shirt(x5) & a_collared(s5) & Theme(s5,x5) & a_tan(s4) & Theme(s4,x5) & in(e1,x3) & of(x3,x4) & n_man(x4) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_dress(x2) & a_striped(s3) & Theme(s3,x2) & a_tan(s2) & Theme(s2,x2) & a_white(s1) & Theme(s1,x2) & n_woman(x1))
exists e1 x1 x2.(n_couple(x1) & on(e1,x2) & n_couch(x2) & Actor(e1,x1) & v_sit(e1))