A girl blows a whistle.
The girl is eating candy.
whistle and candy are different food
all x1.(n_whistle(x1) -> exists x2 x3.(a_topic(x2) & for(x2,x1) & n_blow(x2) & of(x2,x3) & n_girl(x3)))
exists p1 x1.(n_girl(x1) & exists s1 x2.((x1 = x2) & n_candy(x2) & a_eating(s1) & Theme(s1,x2)))