The girl in yellow is laughing at the girl wearing orange whilst being watched by the girl in blue.
The ugly girl in yellow is laughing at the pretty girl wearing orange
The girl in yellow is not necessarily ugly and the girl in orange is not necessarily pretty.
exists e2 e3 e1 x1 x2 x3 x4 x5 x6.(n_girl(x1) & n_girl(x1) & n_girl(x1) & n_whilst(x3) & of(x3,x4) & n_orange(x4) & Actor(e2,x3) & v_wear(e2) & of(x3,x1) & at(e1,x3) & Actor(e3,x1) & in(x1,x6) & n_blue(x6) & Theme(e3,x5) & v_watch(e3) & (x3 = x5) & Actor(e1,x1) & v_laugh(e1) & in(x1,x2) & n_yellow(x2))
exists e2 e1 s1 s2 x1 x2 x3 x4.(n_girl(x1) & n_girl(x1) & a_pretty(s2) & Theme(s2,x1) & a_ugly(s1) & Theme(s1,x1) & at(e1,x1) & Theme(e2,x4) & Actor(e2,x3) & v_wear(e2) & n_orange(x4) & (x1 = x3) & Actor(e1,x1) & v_laugh(e1) & in(x1,x2) & n_yellow(x2))