Demonstrations can be rational.Logical formLearned from9 sentences. A difference can be rational.Logical formLearned from9 sentences. An argument can be rational.Logical formLearned from9 sentences. A proposition can be rational.Logical formLearned from9 sentences. Bubbles can be rational.Logical formLearned from9 sentences. A measurement can be rational.Logical formLearned from9 sentences. A self-determination can be rational.Logical formLearned from9 sentences. A (market behavior) can be rational.Logical formLearned from9 sentences. Life can be rational.Logical formLearned from9 sentences. A way can be rational.Logical formLearned from9 sentences. A degree can be rational.Logical formLearned from9 sentences. A settlement can be rational.Logical formLearned from9 sentences. A judgment can be rational.Logical formLearned from9 sentences. A response can be rational.Logical formLearned from9 sentences. An (export growth) can be rational.Logical formLearned from8 sentences.