A cold can be a killer.Logical formLearned from13 sentences. A cold can be hard.Logical formLearned from13 sentences. Eyes can be due to colds.Logical formLearned from13 sentences. A cold may develop into pneumonia.Logical formLearned from13 sentences. Cold can be cold.Logical formLearned from13 sentences. Some persons may keep colds.Logical formLearned from13 sentences. A cold can be gray.Logical formLearned from13 sentences. A person may fight a (head cold).Logical formLearned from13 sentences. A cold may pertain-to a president.Logical formLearned from13 sentences. Persons may wait in a cold.Logical formLearned from13 sentences. Insulation can be against a cold.Logical formLearned from12 sentences. A problem can be a cold.Logical formLearned from12 sentences. A common cold may undergo a prevention.Logical formLearned from12 sentences. A cold can be rigorous.Logical formLearned from12 sentences. A cold can be unbearable.Logical formLearned from12 sentences.