A child wearing helmet is riding baby bicycle by side of walk path.
A child is riding his bicycle.
A child is riding his bicycle doesn't imply that he is wearing helmet and by side of walk path.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7.(by(e2,x5) & of(x5,x6) & n_path(x6) & of(x6,x7) & n_walk(x7) & n_side(x5) & Theme(e2,x3) & Actor(e2,x1) & v_ride(e2) & n_bicycle(x3) & of(x3,x4) & n_baby(x4) & n_helmet(x1) & Actor(e1,x1) & v_wear(e1) & of(x1,x2) & n_child(x2))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bicycle(x2) & of(x2,x1) & n_male(x1) & n_child(x1))