A person kayaking on a sunny day.
People are at a party on a yacht.
A yacht cannot be a kayak. A person cannot be kayaking on a yacht. People cannot party on a kayak.
exists e1 s1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_day(x3) & a_sunny(s1) & Theme(s1,x3) & Actor(e1,x2) & v_kayake(e1) & (x1 = x2) & n_person(x1))
exists p1 x1 x2.(on(p1,x2) & n_yacht(x2) & exists x3.(at(x1,x3) & n_party(x3)) & n_people(x1))