SP11601 DOJO - With a Pit of Death

Leo is training his martial arts in byteland's dojo. The dojo is a rectangular ( n × m ) area with a pit of death, a square located at (i, j), where 1

The input begins with the number T of test cases in a single line. In each of the next T lines there are four integers n, m, i and j.

For each test case, print the answer of the problem : "Possible." or "Impossible.".