A tweet that is a reply, but has `in_reply_to_status_id` null because the original user deleted their tweet. (Twitter Dev conversation: https://twittercommunity.com/t/the-commonly-described-ways-of-determining-whether-a-tweet-is-a-reply-seem-wrong/151579)

twitter-reply-exception.json

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        "full_text": "i was playing with my stuffed fren sebastian. when his arm fell all the way off. there\u2019s no need to worry. because among many other things. my human is a surgeon",
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