Concrete slabs can be thick.Logical formLearned from13 sentences. A (hardback book) can be thick.Logical formLearned from13 sentences. (Bass lines) can be thick.Logical formLearned from13 sentences. Lawns can be thick.Logical formLearned from13 sentences. A (graying beard) can be thick.Logical formLearned from13 sentences. A drawl can be thick.Logical formLearned from13 sentences. Pudding can be thick.Logical formLearned from13 sentences. A bluegrass can be thick.Logical formLearned from13 sentences. A (nitrogen atmosphere) can be thick.Logical formLearned from13 sentences. A red beard can be thick.Logical formLearned from13 sentences. Seats can be thick.Logical formLearned from13 sentences. Medallions can be thick.Logical formLearned from13 sentences. A slick can be thick.Logical formLearned from13 sentences. A leaf can be thick.Logical formLearned from13 sentences. Hands can be thick.Logical formLearned from13 sentences.