Leaders may travel to a world-city.Logical formLearned from22 sentences. Citizens may travel in a continent.Logical formLearned from22 sentences. Detectives may travel to a country.Logical formLearned from22 sentences. An envoy may travel to a world-city.Logical formLearned from22 sentences. A patient may travel.Logical formLearned from21 sentences. A person may travel thousands of miles.Logical formLearned from21 sentences. A male may travel on a continent.Logical formLearned from21 sentences. A person may travel by boat.Logical formLearned from21 sentences. Commuters may travel.Logical formLearned from21 sentences. Some routes may travel.Logical formLearned from21 sentences. An expedition may travel.Logical formLearned from21 sentences. A person may travel into a country.Logical formLearned from21 sentences. A male may travel by foot.Logical formLearned from21 sentences. Some persons may travel to a world-city.Logical formLearned from21 sentences. A spacecraft may travel.Logical formLearned from21 sentences.