A small boy wearing a long-sleeved shirt and slacks is walking outdoors.
A boy is walking briskly.
Sentence 1 is missing walking briskly
exists e2 e1 s1 s2 x1 x2 x3 x4 x5 x6.(Theme(e2,x6) & Actor(e2,x1) & v_walk(e2) & n_outdoors(x6) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & subset_of(x5,x3) & n_slacks(x5) & subset_of(x4,x3) & n_shirt(x4) & a_long-sleeved(s2) & Theme(s2,x4) & (x1 = x2) & n_boy(x1) & a_small(s1) & Theme(s1,x1))
exists e1 s1 x1.(a_briskly(s1) & Manner(e1,s1) & Actor(e1,x1) & v_walk(e1) & n_boy(x1))