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Identify the biconditional for the following statement.

If M is the midpoint of AB¯¯¯¯¯¯¯¯, then AM¯¯¯¯¯¯¯¯¯≅MB¯¯¯¯¯¯¯¯¯.
A. M is the midpoint of AB¯¯¯¯¯¯¯¯ only if AM¯¯¯¯¯¯¯¯¯≅MB¯¯¯¯¯¯¯¯¯.
B. AM¯¯¯¯¯¯¯¯¯≅MB¯¯¯¯¯¯¯¯¯ only if M is the midpoint of AB¯¯¯¯¯¯¯¯.
C. M is the midpoint of AB¯¯¯¯¯¯¯¯ if and only if AM¯¯¯¯¯¯¯¯¯≅MB¯¯¯¯¯¯¯¯¯.
D. If AM¯¯¯¯¯¯¯¯¯≅MB¯¯¯¯¯¯¯¯¯, then M is the midpoint of AB¯¯¯¯¯¯¯¯.