Terms can be hard.Logical formLearned from152 sentences. A hard work may pertain-to persons.Logical formLearned from152 sentences. An action can be hard.Logical formLearned from151 sentences. An issue can be hard.Logical formLearned from151 sentences. A male may take a hard line.Logical formLearned from151 sentences. A time can be hard.Logical formLearned from150 sentences. A reason can be hard.Logical formLearned from150 sentences. Stones can be hard.Logical formLearned from149 sentences. Hittings can be hard.Logical formLearned from149 sentences. A course can be hard.Logical formLearned from149 sentences. A hard work may be doed.Logical formLearned from149 sentences. A study can be hard.Logical formLearned from148 sentences. A cast can be hard.Logical formLearned from147 sentences. A hard line can be on a country.Logical formLearned from147 sentences. A problem can be hard.Logical formLearned from146 sentences.