A yank can be hard.Logical formLearned from18 sentences. A green can be hard.Logical formLearned from18 sentences. A person may squint hard.Logical formLearned from18 sentences. A head can be hard.Logical formLearned from18 sentences. A figure can be hard.Logical formLearned from18 sentences. A run can be hard.Logical formLearned from18 sentences. A passage can be hard.Logical formLearned from18 sentences. Themselves can be hard.Logical formLearned from18 sentences. An adventure can be hard.Logical formLearned from18 sentences. Negotiations can be hard.Logical formLearned from18 sentences. A business may fall on hard times.Logical formLearned from18 sentences. A frame can be hard.Logical formLearned from18 sentences. Balls can be hard.Logical formLearned from18 sentences. Cookies may be stored on a hard drive.Logical formLearned from18 sentences. A citizen can be hard.Logical formLearned from18 sentences.