A ph may pertain-to a vagina.Logical formLearned from24 sentences. A ph can be decreased.Logical formLearned from22 sentences. A ph may pertain-to a buffer.Logical formLearned from22 sentences. A ph may increase.Logical formLearned from22 sentences. A person may finish a ph.Logical formLearned from21 sentences. A ph can be neutral.Logical formLearned from21 sentences. Extremes can be constituted-of-or-filled-with ph.Logical formLearned from21 sentences. An increase can be in ph.Logical formLearned from21 sentences. (Ph levels) can be high.Logical formLearned from20 sentences. A ph can be reduced.Logical formLearned from20 sentences. A ph may pertain-to water.Logical formLearned from20 sentences. A ph may pertain-to oceans.Logical formLearned from20 sentences. Applicants may have a ph.Logical formLearned from20 sentences. Phs may pertain-to a female.Logical formLearned from20 sentences. A ph may decrease.Logical formLearned from19 sentences.