A small child wearing orange shorts is sitting in a swing.
A fat kid is on a swing.
A child can be either gender and any weight, from skinny to average to chubby to fat, therefore we cannot infer that the child is fat.
exists e2 e1 s1 x1 x2 x3 x4 x5.(in(e2,x5) & n_swing(x5) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_shorts(x3) & of(x3,x4) & n_orange(x4) & (x1 = x2) & n_child(x1) & a_small(s1) & Theme(s1,x1))
exists p1 s1 x1.(exists x2.(on(x1,x2) & n_swing(x2)) & n_kid(x1) & a_fat(s1) & Theme(s1,x1))