A ph may pertain-to a stroma.Logical formLearned from5 sentences. A (ph soil) can be high.Logical formLearned from5 sentences. Drops can be in ph.Logical formLearned from5 sentences. A (soil ph) can be acidic.Logical formLearned from5 sentences. Phs can be higher.Logical formLearned from5 sentences. A technology may control a ph.Logical formLearned from5 sentences. A ph may be tested.Logical formLearned from5 sentences. Factors can be as ph.Logical formLearned from5 sentences. Phs can be in a range.Logical formLearned from5 sentences. A ph can be in patients.Logical formLearned from5 sentences. A ph may undergo a measurement.Logical formLearned from5 sentences. A fall can be in ph.Logical formLearned from5 sentences. Ph may undergo a monitoring.Logical formLearned from5 sentences. A sensitivity can be to ph.Logical formLearned from5 sentences. Ph can be a measure of acidity.Logical formLearned from5 sentences.