(Anthrax cases) can be puzzling.Logical formLearned from2 sentences. A canadian dollar can be puzzling.Logical formLearned from2 sentences. A premium can be puzzling.Logical formLearned from2 sentences. Conundrums can be puzzling.Logical formLearned from2 sentences. A slump can be puzzling.Logical formLearned from2 sentences. A breakup can be puzzling.Logical formLearned from2 sentences. A US-president can be puzzling over a novelty of a scanner.Logical formLearned from2 sentences. A routine may remain puzzling.Logical formLearned from2 sentences. A road can be puzzling.Logical formLearned from2 sentences. A person may be left puzzling.Logical formLearned from2 sentences. New rules can be puzzling.Logical formLearned from2 sentences. (Auto safety mysteries) can be puzzling.Logical formLearned from2 sentences. A life can be puzzling.Logical formLearned from2 sentences. An (elbow injury) can be puzzling.Logical formLearned from2 sentences. A person can be puzzling over questions.Logical formLearned from2 sentences.