(Walking trails) can be short.Logical formLearned from11 sentences. A trail can be constituted-of-or-filled-with customers.Logical formLearned from11 sentences. Persons can be on trails.Logical formLearned from11 sentences. A trail can be distinct.Logical formLearned from11 sentences. A trail may be left.Logical formLearned from11 sentences. A trail can be friendly.Logical formLearned from11 sentences. A trail may be wash_outed.Logical formLearned from11 sentences. A first mile may pertain-to a trail.Logical formLearned from11 sentences. A trail may be located.Logical formLearned from11 sentences. Persons may see a trail.Logical formLearned from11 sentences. A network can be constituted-of-or-filled-with (nature trails).Logical formLearned from11 sentences. Thousands can be constituted-of-or-filled-with trails.Logical formLearned from11 sentences. A trail can be constituted-of-or-filled-with lives.Logical formLearned from11 sentences. An attack can be on a (campaign trail).Logical formLearned from11 sentences. A trail can be permanent.Logical formLearned from11 sentences.