A cluster can be solid.Logical formLearned from11 sentences. (Stone walls) can be solid.Logical formLearned from11 sentences. A (pop album) can be solid.Logical formLearned from11 sentences. Stems can be solid.Logical formLearned from11 sentences. A belt can be solid.Logical formLearned from11 sentences. An uppercut can be solid.Logical formLearned from11 sentences. A career can be solid.Logical formLearned from11 sentences. Constructs can be solid.Logical formLearned from11 sentences. An (opening batsman) can be solid.Logical formLearned from11 sentences. Molecules can be solid.Logical formLearned from11 sentences. A mercury can be solid.Logical formLearned from11 sentences. Premises can be solid.Logical formLearned from11 sentences. (Employment data) can be solid.Logical formLearned from11 sentences. A study can be solid.Logical formLearned from11 sentences. A magnesium can be solid.Logical formLearned from11 sentences.