A trail may take a male.Logical formLearned from11 sentences. A trail can be for scientific experimentation.Logical formLearned from11 sentences. Presence can be on a trail.Logical formLearned from11 sentences. Audiences can be on a (campaign trail).Logical formLearned from11 sentences. A trail may pertain-to a robot.Logical formLearned from11 sentences. A trail can be slick.Logical formLearned from11 sentences. (Hiking trails) can be open.Logical formLearned from11 sentences. A trail can be downhill.Logical formLearned from11 sentences. A fork can be in a trail.Logical formLearned from11 sentences. A trail can be fossil.Logical formLearned from11 sentences. Trails can be downhill.Logical formLearned from11 sentences. An area may have some trails.Logical formLearned from11 sentences. A (ski trail) can be groomed.Logical formLearned from11 sentences. A (paper trail) may be created.Logical formLearned from11 sentences. Trails may wind through woods.Logical formLearned from11 sentences.