(Childhood memories) can be painful.Logical formLearned from37 sentences. A fight can be painful.Logical formLearned from37 sentences. Reductions can be painful.Logical formLearned from37 sentences. (Kidney stones) can be painful.Logical formLearned from36 sentences. Solutions can be painful.Logical formLearned from36 sentences. An alternative can be painful.Logical formLearned from36 sentences. A result can be painful.Logical formLearned from36 sentences. Reflections can be painful.Logical formLearned from36 sentences. A hangover can be painful.Logical formLearned from36 sentences. Bumps can be painful.Logical formLearned from36 sentences. A twinge can be painful.Logical formLearned from36 sentences. Contractions can be painful.Logical formLearned from36 sentences. Death can be painful.Logical formLearned from36 sentences. A recovery can be painful.Logical formLearned from36 sentences. A bump can be painful.Logical formLearned from36 sentences.