Crabs can be hard.Logical formLearned from41 sentences. A (candy shell) can be hard.Logical formLearned from41 sentences. A country may work hard.Logical formLearned from41 sentences. A bounce can be hard.Logical formLearned from41 sentences. A hard work may go unnoticed.Logical formLearned from41 sentences. A student can be hard.Logical formLearned from41 sentences. Persons may go through hard times.Logical formLearned from41 sentences. Plates can be hard.Logical formLearned from41 sentences. A game can be hard.Logical formLearned from41 sentences. Goals can be hard.Logical formLearned from41 sentences. Hard labor can be for life.Logical formLearned from41 sentences. A male may see a hard evidence.Logical formLearned from41 sentences. Soils can be hard.Logical formLearned from40 sentences. Habits may die hard.Logical formLearned from40 sentences. Guarantees can be hard.Logical formLearned from40 sentences.