A gratitude may pertain-to a world-city.Logical formLearned from19 sentences. Gratitude can be for assistance to a country.Logical formLearned from18 sentences. A gift can be constituted-of-or-filled-with gratitude.Logical formLearned from18 sentences. Gratitude can be for cooperation.Logical formLearned from18 sentences. A gratitude can be joyful.Logical formLearned from18 sentences. Persons may extend a gratitude.Logical formLearned from18 sentences. A gratitude can be to a professor.Logical formLearned from18 sentences. A gratitude can be to doctors.Logical formLearned from18 sentences. A heart may overflow with gratitude.Logical formLearned from18 sentences. Persons may owe a debt of gratitude to a male.Logical formLearned from18 sentences. A heart can be full of gratitude.Logical formLearned from18 sentences. Gratitude can be for life.Logical formLearned from18 sentences. A lack of gratitude can be from a (world organization).Logical formLearned from18 sentences. A gratitude may pertain-to a community.Logical formLearned from18 sentences. A mark may pertain-to a gratitude.Logical formLearned from18 sentences.