Jokes can be subtle.Logical formLearned from60 sentences. An example can be subtle.Logical formLearned from60 sentences. Humour can be subtle.Logical formLearned from60 sentences. A move can be subtle.Logical formLearned from59 sentences. A twist can be subtle.Logical formLearned from59 sentences. Comments can be subtle.Logical formLearned from58 sentences. A complexity can be subtle.Logical formLearned from58 sentences. An attack can be subtle.Logical formLearned from58 sentences. A note can be subtle.Logical formLearned from57 sentences. Persons can be subtle.Logical formLearned from57 sentences. An alteration can be subtle.Logical formLearned from57 sentences. A connection can be subtle.Logical formLearned from57 sentences. An undercurrent can be subtle.Logical formLearned from57 sentences. Attacks can be subtle.Logical formLearned from57 sentences. A coercion can be subtle.Logical formLearned from57 sentences.