A man is swimming with a little boy who is wearing a life jacket.
Two people swim with life jackets
The little boy wearing a life jacket does not imply that they are both wearing life jackets.
exists e1 e2 s1 x1 x2 x3 x4 x5.(with(e1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_wear(e2) & n_jacket(x4) & of(x4,x5) & n_life(x5) & (x2 = x3) & n_boy(x2) & a_little(s1) & Theme(s1,x2) & Actor(e1,x1) & v_swim(e1) & n_man(x1))
exists e1 x1 x2 x3.(with(e1,x2) & n_jacket(x2) & of(x2,x3) & n_life(x3) & Actor(e1,x1) & v_swim(e1) & n_people(x1) & card_eq_2(x1))