An elderly person in a field of hay.
They are alone.
the elderly person in the filed is alone
exists s1 x1 x2 x3.(a_topic(x1) & in(x1,x2) & of(x2,x3) & n_hay(x3) & n_field(x2) & n_person(x1) & a_elderly(s1) & Theme(s1,x1))
exists s1 x1.(n_thing(x1) & Theme(s1,x1) & a_alone(s1))