Trips may pertain-to a president.Logical formLearned from55 sentences. A trip may occur.Logical formLearned from55 sentences. A trip may pertain-to a (vice president).Logical formLearned from55 sentences. Trips can be costly.Logical formLearned from55 sentences. A trip can be to a road.Logical formLearned from55 sentences. Trips can be unlimited.Logical formLearned from55 sentences. A (camping trip) may pertain-to a person.Logical formLearned from55 sentences. A (dream trip) may pertain-to a person.Logical formLearned from55 sentences. A trip can be yearlong.Logical formLearned from55 sentences. A weekday can be a trip.Logical formLearned from55 sentences. A (boat trip) may pertain-to persons.Logical formLearned from55 sentences. A trip can be to islands.Logical formLearned from55 sentences. A trip can be to a nation.Logical formLearned from55 sentences. Trips can be to a supermarket.Logical formLearned from55 sentences. A (bus trip) may pertain-to a male.Logical formLearned from55 sentences.