Here is a young girl wearing pajamas and observing a plant.
A girl in a bikini is watching a boy.
Pajamas and a bikini are different clothing just as a plant is a different entity than a boy.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5.(Theme(s2,x1) & a_here(s2) & Theme(e2,x5) & Actor(e2,x4) & v_observe(e2) & n_plant(x5) & (x1 = x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_pajamas(x3) & (x1 = x2) & n_girl(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_watch(e1) & n_boy(x3) & in(x1,x2) & n_bikini(x2) & n_girl(x1))