This is a young child getting his teeth brushed.
boy eats a meal after getting home
A boy who travels on his own is not a young child who needs others to brush his teeth.
exists e1 e2 p1 x1 x2.(exists p2 s1 x3.((x1 = x3) & n_child(x3) & a_young(s1) & Theme(s1,x3)) & n_thing(x1) & Topic(e2,p1) & Actor(e2,e1) & v_brush(e2) & Theme(e1,x2) & Actor(e1,x1) & v_get(e1) & n_tooth(x2) & of(x2,x1) & n_male(x1))
exists e1 e2 x1 x2 x3.(after(e1,e2) & Time(e2,x3) & n_home(x3) & Actor(e2,x1) & v_get(e2) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_meal(x2) & n_boy(x1))