A (business trip) can be unexpected.Logical formLearned from15 sentences. A male may make some trips to a continent.Logical formLearned from15 sentences. A trip can be prewar.Logical formLearned from15 sentences. A trip can be continuous.Logical formLearned from15 sentences. A (road trip) can be serious.Logical formLearned from15 sentences. Thoughts can be about a trip.Logical formLearned from15 sentences. A female may make a number of trips.Logical formLearned from15 sentences. Trips can be into town.Logical formLearned from15 sentences. A trip can be strenuous.Logical formLearned from15 sentences. An amendment can be to trips.Logical formLearned from15 sentences. A trip may last a hour.Logical formLearned from15 sentences. A trip can be through space.Logical formLearned from15 sentences. Trips can be for kids.Logical formLearned from15 sentences. Photographs may show a trip.Logical formLearned from15 sentences. Activities may include (field trips).Logical formLearned from15 sentences.