A target can be hard.Logical formLearned from223 sentences. A crust can be hard.Logical formLearned from221 sentences. Snow can be hard.Logical formLearned from220 sentences. A reward can be for a hard work.Logical formLearned from219 sentences. A challenge can be hard.Logical formLearned from219 sentences. A soil can be hard.Logical formLearned from217 sentences. A face can be hard.Logical formLearned from216 sentences. A hard drive may die.Logical formLearned from216 sentences. A spot can be hard.Logical formLearned from216 sentences. A person may appreciate a hard work.Logical formLearned from214 sentences. A face can be hard.Logical formLearned from213 sentences. A path can be hard.Logical formLearned from212 sentences. Thanks can be for a hard work.Logical formLearned from212 sentences. A physical labor can be hard.Logical formLearned from211 sentences. A pull can be hard.Logical formLearned from210 sentences.