A line can be protective.Logical formLearned from52 sentences. Operations can be protective.Logical formLearned from52 sentences. Chemicals can be protective.Logical formLearned from52 sentences. A vaccine can be protective.Logical formLearned from51 sentences. Compounds can be protective.Logical formLearned from51 sentences. A step can be protective.Logical formLearned from51 sentences. Arrangements can be protective.Logical formLearned from51 sentences. A person can be protective of a female.Logical formLearned from51 sentences. A person can be protective of a male.Logical formLearned from51 sentences. A puff can be protective.Logical formLearned from51 sentences. Substances can be protective.Logical formLearned from50 sentences. An agent can be protective.Logical formLearned from50 sentences. Protective tariffs can be high.Logical formLearned from50 sentences. Screens can be protective.Logical formLearned from50 sentences. A foam can be protective.Logical formLearned from49 sentences.