There are four girls with shorts on walking together.
There are four girls
It is clear that there are four girls.
exists p1 x1 e1 s1 x2 x3 x4.((x1 = x2) & with(x2,x3) & a_together(s1) & Manner(e1,s1) & Actor(e1,x4) & v_walk(e1) & (x3 = x4) & n_shorts(x3) & n_girl(x2) & card_eq_4(x2))
exists p1 x1 x2.((x1 = x2) & n_girl(x2) & card_eq_4(x2))