A ph can be fluid.Logical formLearned from8 sentences. A ph may pertain-to milk.Logical formLearned from8 sentences. A ph can be stable.Logical formLearned from8 sentences. Variations can be in ph.Logical formLearned from8 sentences. Phs may pertain-to a soil.Logical formLearned from8 sentences. Ph may increase.Logical formLearned from8 sentences. A ph may pertain-to a sample.Logical formLearned from8 sentences. A ph can be a factor.Logical formLearned from8 sentences. A ph can be in (computer science).Logical formLearned from8 sentences. An affinity can be at ph.Logical formLearned from8 sentences. Ph can be in hand.Logical formLearned from8 sentences. A person may do a ph.Logical formLearned from8 sentences. A female may earn a ph.Logical formLearned from8 sentences. A ph can be stable.Logical formLearned from8 sentences. A ph may pertain-to samples.Logical formLearned from8 sentences.