Stimuli can be aversive.Logical formLearned from113 sentences. A stimulus can be aversive.Logical formLearned from65 sentences. A conditioning can be aversive.Logical formLearned from64 sentences. Agents can be aversive.Logical formLearned from40 sentences. Effects can be aversive.Logical formLearned from38 sentences. A racism can be aversive.Logical formLearned from36 sentences. Events can be aversive.Logical formLearned from30 sentences. Techniques can be aversive.Logical formLearned from23 sentences. An agent can be aversive.Logical formLearned from22 sentences. Reactions can be aversive.Logical formLearned from21 sentences. An event can be aversive.Logical formLearned from19 sentences. A reaction can be aversive.Logical formLearned from19 sentences. Learning can be aversive.Logical formLearned from19 sentences. Sensations can be aversive.Logical formLearned from18 sentences. Consequences can be aversive.Logical formLearned from17 sentences.