Plain talk may raise awareness of stds.Logical formLearned from2 sentences. A female may learn about stds.Logical formLearned from2 sentences. (Std benefits) may begin.Logical formLearned from2 sentences. Employees may supplement (std earnings) with sick leave.Logical formLearned from2 sentences. A lining may result in a susceptibility to a transmission of stds.Logical formLearned from2 sentences. A susceptibility can be to a transmission of stds.Logical formLearned from2 sentences. A threshold can be constituted-of-or-filled-with some stds.Logical formLearned from2 sentences. An intervention may improve (std rates).Logical formLearned from2 sentences. (Risk networks) can be relative to a spread of stds.Logical formLearned from2 sentences. An increase can be in a rate of transmission of stds.Logical formLearned from2 sentences. Stds can be among populations.Logical formLearned from2 sentences. (Crack smoking) may be associated with stds.Logical formLearned from2 sentences. A (std member) may pertain-to a us-state.Logical formLearned from2 sentences. A respondent can be from a std.Logical formLearned from2 sentences. Stds may undergo a rise.Logical formLearned from2 sentences.