The term exogenous depression is identified in base64 scheme by the sequence ZXhvZ2Vub3VzIGRlcHJlc3Npb24=, while the MD5 signature is equal to 2bf20be6a8183f060aefd9d6bae0df71. The ASCII encoding of exogenous depression in hexadecimal notation is 65786f67656e6f75732064657072657373696f6e.