A first digit may pertain-to a reply.Logical formLearned from3 sentences. A discussion of a theory of (reply code) may be given in section.Logical formLearned from3 sentences. Replies may be discussed in section.Logical formLearned from3 sentences. (Reply code) may be returned.Logical formLearned from3 sentences. Keywords may be supplemented by (reply code).Logical formLearned from3 sentences. Some replies may begin with some (digit numeric code).Logical formLearned from3 sentences. Work may specify structuring of (reply strings).Logical formLearned from3 sentences. Reply can be to opposition.Logical formLearned from3 sentences. A time can be in a (reply brief).Logical formLearned from3 sentences. A person may agree with some replies.Logical formLearned from3 sentences. A male may stammer a reply.Logical formLearned from3 sentences. A reply can be to a counterclaim.Logical formLearned from3 sentences. Member can be to a reply.Logical formLearned from3 sentences. A reply can be provisional.Logical formLearned from3 sentences. An attachment may be quoted in a reply.Logical formLearned from3 sentences.