A summer can be lonely.Logical formLearned from53 sentences. Feelings can be lonely.Logical formLearned from53 sentences. Everyone can be lonely.Logical formLearned from53 sentences. An individual can be lonely.Logical formLearned from52 sentences. A field can be lonely.Logical formLearned from50 sentences. A shore can be lonely.Logical formLearned from50 sentences. A campaign can be lonely.Logical formLearned from49 sentences. Persons may get lonely.Logical formLearned from49 sentences. Lands can be lonely.Logical formLearned from49 sentences. A robot can be lonely.Logical formLearned from48 sentences. A hill can be lonely.Logical formLearned from47 sentences. A city can be lonely.Logical formLearned from47 sentences. Titles can be lonely.Logical formLearned from47 sentences. A (planet planet) can be lonely.Logical formLearned from47 sentences. A night can be lonely.Logical formLearned from47 sentences.