A gem can be in a collection.Logical formLearned from2 sentences. A gem may shine.Logical formLearned from2 sentences. A person may look at a gem.Logical formLearned from2 sentences. Gems may undergo a discovery.Logical formLearned from2 sentences. Gems may pertain-to a book.Logical formLearned from2 sentences. A gem can be binary.Logical formLearned from2 sentences. A gem can be among gems.Logical formLearned from2 sentences. A gem may pertain-to a summer.Logical formLearned from2 sentences. A book can be full of gems.Logical formLearned from2 sentences. A gem can be breathtaking.Logical formLearned from2 sentences. A gem can be wacky.Logical formLearned from2 sentences. A city can be with some gems.Logical formLearned from2 sentences. A gem can be in the ancient world.Logical formLearned from2 sentences. Owners can be constituted-of-or-filled-with gems.Logical formLearned from2 sentences. A gem can be occult.Logical formLearned from2 sentences.