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Suppose the following sentence is true:

If $x < 5$ , then $y \geq 13$ .

Does this sentence follow logically?
If $x < 5$ , then $y > 13$ .
A. Follows logically
B. Does not follow logically

Does this sentence follow logically?
If $x \leq 5$ , then $y \geq 13$ .
A. Follows logically
B. Does not follow logically

Does this sentence follow logically?
If $y < 13$ , then $x \geq 5$ .
A. Follows logically
B. Does not follow logically

Does this sentence follow logically?
If $y \leq 13$ , then $x \geq 5$ .
A. Follows logically
B. Does not follow logically

You can earn partial credit on this problem.