Travel can be periodic.Logical formLearned from40 sentences. An allowance may be used for travel.Logical formLearned from40 sentences. (Travel buddies) may pertain-to a person.Logical formLearned from40 sentences. A book can be constituted-of-or-filled-with travels.Logical formLearned from40 sentences. A (travel advisory) may be issued.Logical formLearned from40 sentences. Travel can be within a country.Logical formLearned from40 sentences. A (travel agent) may pertain-to a country.Logical formLearned from40 sentences. An (air travel) can be increased.Logical formLearned from40 sentences. Travel can be to a meeting.Logical formLearned from40 sentences. A (travel time) may pertain-to a male.Logical formLearned from40 sentences. Travel may increase.Logical formLearned from40 sentences. A (travel advisory) can be for a world-city.Logical formLearned from40 sentences. Travel may be allowed.Logical formLearned from40 sentences. A (travel ban) can be effective.Logical formLearned from40 sentences. A (travel ban) can be on some officials.Logical formLearned from39 sentences.