A practice can be solid.Logical formLearned from71 sentences. A teak can be solid.Logical formLearned from71 sentences. (Computer skills) can be solid.Logical formLearned from71 sentences. Friendships can be solid.Logical formLearned from71 sentences. A spot can be solid.Logical formLearned from71 sentences. A field can be solid.Logical formLearned from71 sentences. The ground can be solid.Logical formLearned from71 sentences. Guidance can be solid.Logical formLearned from71 sentences. A course can be solid.Logical formLearned from71 sentences. A speech can be solid.Logical formLearned from71 sentences. A belief can be solid.Logical formLearned from71 sentences. A buying can be solid.Logical formLearned from71 sentences. A bed can be solid.Logical formLearned from70 sentences. A board can be solid.Logical formLearned from70 sentences. A name can be solid.Logical formLearned from70 sentences.