Translate the following inference to logic notation: For all x, x_1 is a taxi driver. For all x, x_1 is not a taxi driver or x_1 will listen to a song. Therefore for all x, x_1 will read a book or x_1 will listen to a song.
forall x: P(x). forall x: ~P(x) or Q(x). Therefore forall x: R(x) or Q(x).