a lone swinger on a swing ride at the fair.
The person is having fun at the fair.
The person can be feeling a different sentiment and not be having fun at all.
exists s1 x1 x2 x3 x4.(n_fair(x4) & a_topic(x1) & on(x1,x2) & at(x2,x4) & n_ride(x2) & of(x2,x3) & n_swing(x3) & n_swinger(x1) & a_lone(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_fair(x3) & n_person(x1) & at(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_fun(x2))