(Air travel) can be in a continent.Logical formLearned from73 sentences. Some modes can be constituted-of-or-filled-with travel.Logical formLearned from73 sentences. Sanctions may ban (air travel).Logical formLearned from73 sentences. (Travel restrictions) can be tight.Logical formLearned from73 sentences. (Travel costs) may pertain-to a male.Logical formLearned from72 sentences. Travel can be to locations.Logical formLearned from72 sentences. Some questions can be on travel.Logical formLearned from72 sentences. Routes can be constituted-of-or-filled-with travel.Logical formLearned from71 sentences. A life can be constituted-of-or-filled-with travel.Logical formLearned from71 sentences. Travel can be on flights.Logical formLearned from71 sentences. Travel can be subject to availability.Logical formLearned from71 sentences. Travel may pertain-to a weekday.Logical formLearned from71 sentences. (Travel pages) may pertain-to a person.Logical formLearned from71 sentences. A (travel section) may pertain-to a newspaper.Logical formLearned from71 sentences. (Time travel) can be impossible.Logical formLearned from71 sentences.