A black belt can be thick.Logical formLearned from22 sentences. A ball can be thick.Logical formLearned from22 sentences. (Masonry walls) can be thick.Logical formLearned from21 sentences. A wall can be thick.Logical formLearned from21 sentences. A grease can be thick.Logical formLearned from21 sentences. Mucous can be thick.Logical formLearned from21 sentences. Knots can be thick.Logical formLearned from21 sentences. A vapor can be thick.Logical formLearned from21 sentences. (Steel cables) can be thick.Logical formLearned from21 sentences. A goatee can be thick.Logical formLearned from21 sentences. A tuft can be thick.Logical formLearned from21 sentences. Furs can be thick.Logical formLearned from21 sentences. A beard can be thick.Logical formLearned from21 sentences. Swirls can be thick.Logical formLearned from21 sentences. A platform can be thick.Logical formLearned from21 sentences.