A gray dog runs along side a pool while a yellow dog jumps into the pool .
There is a better than even chance that the yellow dog is an excellent swimmer , while the grey one looks on .
There is a better than even chance that the yellow dog is an excellent swimmer , while the grey one looks on .
There is little chance that the yellow dog is an excellent swimmer , while the grey one looks on .
The yellow dog is an excellent swimmer , while the grey one looks on .