Effectiveness can be in preventing.Logical formLearned from8 sentences. Strategies can be for preventing (heart disease).Logical formLearned from8 sentences. A (negotiation slot design) may prevent (tunnel requests) from tunnels.Logical formLearned from8 sentences. Fractures may be prevented.Logical formLearned from8 sentences. Use can be in preventing transmission.Logical formLearned from8 sentences. Tamoxifens may prevent (breast cancer).Logical formLearned from8 sentences. A perpetuation of a testimony may prevent a failure.Logical formLearned from8 sentences. Situations may be prevented.Logical formLearned from8 sentences. A campaign may prevent human deaths.Logical formLearned from8 sentences. Persons may prevent writers from dealing with stuff of life.Logical formLearned from8 sentences. (History list mechanisms) may prevent users from viewing resources.Logical formLearned from8 sentences. Conflict may be prevented.Logical formLearned from8 sentences. An establishment may prevent a case of illness.Logical formLearned from8 sentences. Harm may be prevented.Logical formLearned from8 sentences. A way may prevent competition.Logical formLearned from8 sentences.