A thorn can be in a side of leadership.Logical formLearned from21 sentences. A person can be a thorn.Logical formLearned from21 sentences. A thorn can be permanent.Logical formLearned from21 sentences. Roses may have thorns.Logical formLearned from20 sentences. Thorn can be in flesh.Logical formLearned from20 sentences. Persons can be a thorn.Logical formLearned from20 sentences. A thorn can be in a side of a US-city.Logical formLearned from18 sentences. A thorn may be removed.Logical formLearned from18 sentences. A male may respect a thorn.Logical formLearned from18 sentences. A thorn can be in a side of a country.Logical formLearned from18 sentences. A thorn can be in an eye.Logical formLearned from17 sentences. Seed may fall among thorns.Logical formLearned from17 sentences. (Thorn marks) can be on a head.Logical formLearned from17 sentences. A thorn can be in a side of a male.Logical formLearned from16 sentences. A rose may have thorns.Logical formLearned from16 sentences.