Validity may pertain-to rules.Logical formLearned from40 sentences. Rule may be established.Logical formLearned from40 sentences. Parts may pertain-to a rule.Logical formLearned from40 sentences. Rules may be amended.Logical formLearned from40 sentences. Comments may be received in response to a rule.Logical formLearned from40 sentences. Rules may have an impact.Logical formLearned from40 sentences. Rules may concern captures.Logical formLearned from40 sentences. A rule may pertain-to actions.Logical formLearned from40 sentences. Rules can be preset.Logical formLearned from40 sentences. A rule can be unbreakable.Logical formLearned from40 sentences. (Ground rules) can be simple.Logical formLearned from40 sentences. New rules can be for fairness.Logical formLearned from40 sentences. (Contest rules) may apply.Logical formLearned from40 sentences. A rule may be published on a month.Logical formLearned from40 sentences. A rule can be dumb.Logical formLearned from40 sentences.