Travel can be in a country.Logical formLearned from526 sentences. Travel can be unlimited.Logical formLearned from480 sentences. Travel may be required.Logical formLearned from456 sentences. Travel can be global.Logical formLearned from456 sentences. Travel can be interstate.Logical formLearned from445 sentences. (Travel documents) can be valid.Logical formLearned from423 sentences. Travel can be to a country.Logical formLearned from406 sentences. Travel can be easy.Logical formLearned from386 sentences. A (travel writer) can be free-lance.Logical formLearned from383 sentences. (Travel agencies) can be online.Logical formLearned from357 sentences. (Travel costs) can be constituted-of-or-filled-with (travel location).Logical formLearned from355 sentences. A (travel location) can be featured.Logical formLearned from355 sentences. A (travel schedule) may pertain-to a male.Logical formLearned from354 sentences. A male can be (travel writer).Logical formLearned from345 sentences. Travel can be increased.Logical formLearned from337 sentences.