Economic data can be hard.Logical formLearned from32 sentences. Services can be hard.Logical formLearned from32 sentences. A scrutiny can be hard.Logical formLearned from32 sentences. A father can be hard.Logical formLearned from32 sentences. Options can be hard.Logical formLearned from32 sentences. A party may take a hard line.Logical formLearned from32 sentences. A fruit may pertain-to a hard work.Logical formLearned from31 sentences. A funk can be hard.Logical formLearned from31 sentences. Data can be on a hard disk.Logical formLearned from31 sentences. Computational problems can be hard.Logical formLearned from31 sentences. A person can be grateful for a hard work.Logical formLearned from31 sentences. Rocks can be hard.Logical formLearned from31 sentences. Wealth can be hard.Logical formLearned from31 sentences. Hands can be hard.Logical formLearned from31 sentences. Peaks can be hard.Logical formLearned from31 sentences.