Man wearing black is windsurfing.
the man is eating cereal in his bedroom
One cannot windsurf while eating cereal
exists e1 s1 x1 x2 x3.(Actor(e1,x1) & v_windsurf(e1) & Theme(s1,x3) & a_black(s1) & (x1 = x3) & n_wear(x1) & of(x1,x2) & n_man(x2))
exists p1 x1 x2.(n_bedroom(x2) & of(x2,x1) & n_male(x1) & n_man(x1) & in(p1,x2) & exists s1 x3.((x1 = x3) & n_cereal(x3) & a_eating(s1) & Theme(s1,x3)))