Create a procedure that generates a four-by-four matrix of randomly chosen capital letters. When choosing the letters, there must be a 50% probability that the chosen letter is a vowel. Write a test program with a loop that calls your procedure ?ve times and displays each matrix in the console window. Following is sample output for the ?rst three matrices:

D W A L

S I V W

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L A I I

P O A Z

A E A U

G K A E

I A G D