A man and a woman paddle down a turbulent body of water.
The people are wearing life jackets.
A man and woman paddle down a body of water does not imply wearing life jackets.
exists s1 s2 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x2,s1) & down(x2,x4) & of(x4,x5) & n_water(x5) & n_body(x4) & a_turbulent(s2) & Theme(s2,x4) & n_paddle(x2) & of(x2,x3) & n_woman(x3) & subset_of(x1,s1) & n_man(x1))
exists e1 x1 x2 x3.(n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_jacket(x2) & of(x2,x3) & n_life(x3))