a yard man in the middle checking green bushes.
The man is a gardener.
Not all yard man are a gardener.
exists s1 s2 x1 x2 x3 x4.(n_bush(x3) & a_green(s2) & Theme(s2,x3) & of(x3,x4) & n_checking(x4) & a_middle(s1) & Theme(s1,x3) & a_topic(x1) & in(x1,x3) & n_man(x1) & of(x1,x2) & n_yard(x2))
exists p1 x1.(n_man(x1) & exists x2.((x1 = x2) & n_gardener(x2)))