Several people are playing in the fountains.
Some folks are having fun.
Several people are playing in the fountains does not imply they are having fun.
exists e1 s1 x1 x2.(n_fountain(x2) & in(e1,x2) & Actor(e1,x1) & v_play(e1) & n_people(x1) & a_several(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_fun(x2) & n_folk(x1))