Young boys are walking in galoshes.
Some boys are walking together.
You cannot infer that the boys are walking together because it only mentions them walking in a type of shoe.
exists e1 s1 x1 x2.(in(e1,x2) & n_galosh(x2) & Actor(e1,x1) & v_walk(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1.(a_together(s1) & Manner(e1,s1) & Actor(e1,x1) & v_walk(e1) & n_boy(x1))