A man who was stuck in the tree.
There was a man stuck in that tree.
A man who was stuck  almost the same as There was a man stuck
exists e1 x1 x2 x3.(n_tree(x3) & a_topic(x1) & in(e1,x3) & Theme(e1,x2) & v_stick(e1) & (x1 = x2) & n_man(x1))
exists p1 x1 x4.(n_tree(x4) & exists e1 x2 x3.((x1 = x2) & in(e1,x4) & Theme(e1,x3) & v_stick(e1) & (x2 = x3) & n_man(x2)))