International treaties can be signed.Logical formLearned from4 sentences. A support can be signed.Logical formLearned from4 sentences. A bootloader can be signed.Logical formLearned from4 sentences. A singer can be signed.Logical formLearned from4 sentences. A vinyl can be signed.Logical formLearned from4 sentences. (Language interpreters) can be signed.Logical formLearned from4 sentences. An extension can be signed.Logical formLearned from4 sentences. A protest can be signed.Logical formLearned from4 sentences. Functions can be signed.Logical formLearned from4 sentences. Vases can be signed.Logical formLearned from4 sentences. A convention can be signed.Logical formLearned from4 sentences. A concurrency can be signed.Logical formLearned from4 sentences. Lyrics can be signed.Logical formLearned from4 sentences. A (recording artist) can be signed.Logical formLearned from4 sentences. A connection can be signed.Logical formLearned from4 sentences.