Man in black hat teaching another man tennis on a fenced in tennis court.
A man is teaching his brother how to play tennis.
Just because a man is teaching another mean does not indicate that the man is his brother.
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 e1 p1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_teach(e1) & Topic(x2,p1) & exists e2 x3.(Theme(e2,x3) & Actor(e2,x2) & v_play(e2) & n_tennis(x3)) & n_brother(x2) & of(x2,x1) & n_male(x1) & n_man(x1))