Walls may pertain-to a courtyard.Logical formLearned from40 sentences. A courtyard can be circular.Logical formLearned from40 sentences. A courtyard can be secluded.Logical formLearned from40 sentences. Courtyards can be enclosed.Logical formLearned from39 sentences. A courtyard may be located.Logical formLearned from39 sentences. A courtyard may pertain-to a world-city.Logical formLearned from39 sentences. Courtyards can be hidden.Logical formLearned from39 sentences. A wall may pertain-to a courtyard.Logical formLearned from38 sentences. A courtyard can be green.Logical formLearned from38 sentences. A person may enter a courtyard.Logical formLearned from37 sentences. A courtyard can be in a center.Logical formLearned from37 sentences. A courtyard can be pretty.Logical formLearned from37 sentences. A courtyard may pertain-to a monastery.Logical formLearned from37 sentences. A courtyard can be peaceful.Logical formLearned from36 sentences. A courtyard can be shared.Logical formLearned from36 sentences.