A sister can be famous.Logical formLearned from180 sentences. Kids may pertain-to a sister.Logical formLearned from178 sentences. A friend may pertain-to a sister.Logical formLearned from177 sentences. Sisters can be unmarried.Logical formLearned from177 sentences. A sister may pertain-to a girlfriend.Logical formLearned from177 sentences. A letter can be to a sister.Logical formLearned from176 sentences. A sister may get married.Logical formLearned from175 sentences. A female may play a sister.Logical formLearned from174 sentences. A female can be a big sister.Logical formLearned from173 sentences. A (kid sister) may pertain-to a female.Logical formLearned from169 sentences. A female may have a sister.Logical formLearned from168 sentences. A person may go with a sister.Logical formLearned from168 sentences. A sister can be alive.Logical formLearned from167 sentences. A marriage may pertain-to a sister.Logical formLearned from167 sentences. A (step sister) may pertain-to a person.Logical formLearned from166 sentences.