A gymnast stretches on the mat.
A gymnast training in an auditorium.
A gymnast could be in an auditorium in order to stretch on a mat.
exists e1 x1 x2.(n_mat(x2) & on(e1,x2) & Actor(e1,x1) & v_stretch(e1) & n_gymnast(x1))
exists s1 x1 x2.(a_topic(x1) & in(x1,x2) & n_auditorium(x2) & n_training(x1) & a_gymnast(s1) & Theme(s1,x1))