1 From: Alice <alice@example.org>
2 To: Daniel <daniel@example.org>
4 Message-ID: <B01-child@example.org>
5 In-Reply-To: <B00-root@example.org>
6 References: <B00--root@example.org>
7 Date: Fri, 17 Jun 2016 22:14:41 -0400
9 This is a normal-ish reply, and has both a references header and an