Trips may pertain-to a US-city.Logical formLearned from99 sentences. A (return trip) may pertain-to persons.Logical formLearned from99 sentences. A (trip home) may pertain-to persons.Logical formLearned from99 sentences. A trip can be to a house.Logical formLearned from99 sentences. A (field trip) may pertain-to a male.Logical formLearned from99 sentences. A female can be on a trip.Logical formLearned from99 sentences. A trip can be as secretary of state.Logical formLearned from99 sentences. A male may make a trip to a country.Logical formLearned from98 sentences. A (field trip) can be to a US-city.Logical formLearned from98 sentences. A trip can be in a month.Logical formLearned from98 sentences. A trip can be to a country.Logical formLearned from98 sentences. A trip can be clandestine.Logical formLearned from98 sentences. Some photos can be from a trip.Logical formLearned from97 sentences. Costs may pertain-to a trip.Logical formLearned from97 sentences. News may pertain-to a trip.Logical formLearned from97 sentences.