A man wearing a black shirt and a girl wearing an orange shirt sitting on the pavement eating.
a homeless young couple enjoy lunch
The status of the people may not be homeless.  The age of the people could be something other than young.  The emotion may be something other than to enjoy.  Lunch may not be the reason they are eating.
exists e1 e2 e3 s1 x1 x2 x3 x4 x5 x6 x7 x8.(n_eating(x7) & of(x7,x8) & n_pavement(x8) & on(e3,x7) & Actor(e3,x3) & v_sit(e3) & Theme(e2,x5) & Actor(e2,x4) & v_wear(e2) & n_shirt(x5) & of(x5,x6) & n_orange(x6) & (x3 = x4) & n_girl(x3) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_shirt(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1))
exists e1 s1 s2 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1) & n_lunch(x2) & n_couple(x1) & a_young(s2) & Theme(s2,x1) & a_homeless(s1) & Theme(s1,x1))