You should not speak loudly! You should not offer the seats for seniors, small children and people with disabilities You should not offer a seat when a mother with a baby gets on the bus! You should not lower the volume of smartphone when you get on the bus! You should not take the backpacks off even when there are not many passengers on the bus! You should offer the seats for seniors, small children and people with disabilities. You should lower the volume of smartphone when you get on the bus. You should forget the things in the bus! You should offer a seat when a mother with a baby gets on the bus. You should not move to the back to make room for new passengers! You should always move to the back to make room for new passengers. You should not leave the things in the bus! You should take the backpacks off even when there are not many passengers on the bus. You should speak very loudly on the bus!