Habits can be hard.Logical formLearned from263 sentences. A kick can be hard.Logical formLearned from261 sentences. Rockers can be hard.Logical formLearned from261 sentences. A hand can be hard.Logical formLearned from259 sentences. A layer can be hard.Logical formLearned from256 sentences. A test can be hard.Logical formLearned from255 sentences. An erection can be hard.Logical formLearned from255 sentences. Skills can be hard.Logical formLearned from255 sentences. A hard work may begin.Logical formLearned from255 sentences. Nipples can be hard.Logical formLearned from252 sentences. A run can be hard.Logical formLearned from251 sentences. A climb can be hard.Logical formLearned from251 sentences. Persons can be hard.Logical formLearned from250 sentences. A male may play hard.Logical formLearned from250 sentences. Liners can be hard.Logical formLearned from247 sentences.