Can you find the dog hidden in a group of pandas?

Can you decipher the below rebus?

PBLUESAISNUERSES

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

A sundial has the fewest moving parts of any timepiece. Which has the most?

There are forty elephants and they have forty-fore heads. How can this be possible?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

10 people came into a hotel with 9 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the tenth guest to wait for a little with the first guest in room number 1. So in the first room, there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the ninth guest to room number 8. Then he returned to room number 1 and took the tenth guest to room number 9, still vacant.
How can everybody have his own room?

Name a key which is hardest to turn.

Four cars come to a four-way stop, each coming from a different direction. They can’t decide who got there first, so they all go forward at the same time. All 4 cars go, but none crash into each other. How is this possible?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?