Assuming x is an integer, the statements could be:
- y is an even number
- y is an odd number
- y is a prime number
- y is a positive number
- y is a negative number
- y is not a prime number
The only statement that is always true is 2.
Statement 1 is never true. Statements 3, 4, 5 and 6 are sometimes true.
If x can be any number then none of the statements are always true.