An older man with bushy eyebrows is speaking into a microphone.
A man is singing to himself in the car.
A man singing to himself in the car would not be simultaneously speaking into a microphone, which is most likely done to speak to someone else.
exists e1 s1 s2 x1 x2 x3.(into(e1,x3) & n_microphone(x3) & Actor(e1,x1) & v_speak(e1) & with(x1,x2) & n_eyebrow(x2) & a_bushy(s2) & Theme(s2,x2) & n_man(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_car(x2) & in(e1,x2) & to(e1,x1) & n_male(x1) & Actor(e1,x1) & v_sing(e1) & n_man(x1))