A sadness can be keen.Logical formLearned from6 sentences. Kids can be keen.Logical formLearned from6 sentences. A self-awareness can be keen.Logical formLearned from6 sentences. A company can be keen on housing.Logical formLearned from6 sentences. A company can be keen on a country.Logical formLearned from6 sentences. A journalist can be keen.Logical formLearned from6 sentences. A need can be keen.Logical formLearned from6 sentences. Humor can be keen.Logical formLearned from6 sentences. A doctor can be keen.Logical formLearned from6 sentences. Concentration can be keen.Logical formLearned from6 sentences. A patriotism can be keen.Logical formLearned from6 sentences. A (batting eye) can be keen.Logical formLearned from6 sentences. Opponents can be keen.Logical formLearned from6 sentences. An assessment can be keen.Logical formLearned from6 sentences. A (research interest) can be keen.Logical formLearned from6 sentences.