Are the following statements true, false, or uncertain? Explain your answer in 5 lines or less.

1. ill and Ted have just formed a band, and they practice often, but their music is terrible. The noise from their practicing imposes a negative externality on their neighbors.
2. Bill and Ted's neighbors will always prefer zero noise from their practicing.
3. If new neighbors move in next door to the now-famous Bill and Ted, then the noise from their practicing imposes an externality on the new neighbors just as it did on the old neighbors.