A man with long hair is playing the guitar.
A woman is surfing.
a man and a woman are two different genders.
exists e1 s1 x1 x2 x3.(n_guitar(x3) & Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & with(x1,x2) & n_hair(x2) & a_long(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1.(Actor(e1,x1) & v_surf(e1) & n_woman(x1))