A man swings a golf club while the person to his left waves an arm.
A person plays tennis.
The man/person would not be swinging a golf club while playing tennis. A man is a person but a person is not necessarily a man.
exists e1 s1 x1 x2 x3 x4 x6.(n_wave(x6) & a_left(s1) & Theme(s1,x6) & of(x6,x4) & n_male(x4) & n_person(x4) & all x5.(n_arm(x5) -> (while(e1,x4) & to(x4,x6) & for(x6,x5))) & n_club(x2) & of(x2,x3) & n_golf(x3) & Time(e1,x2) & Actor(e1,x1) & v_swing(e1) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_tennis(x2) & n_person(x1))