Man in black hat teaching another man tennis on a fenced in tennis court.
The man is a pro.
Just because the man teaches another man tennis, does not imply that he is a pro.
exists s1 x1 x2 x3 x4 x5 x6 x7 x8.(a_topic(x1) & on(x1,x6) & in(x6,x7) & n_court(x7) & of(x7,x8) & n_tennis(x8) & n_fence(x6) & in(x1,x2) & n_tennis(x4) & of(x4,x5) & n_man(x5) & rel(x2,x4) & n_teaching(x2) & of(x2,x3) & n_hat(x3) & a_black(s1) & Theme(s1,x2) & n_man(x1))
exists p1 x1.(n_man(x1) & exists x2.((x1 = x2) & n_pro(x2)))