A ph may pertain-to a stomach.Logical formLearned from19 sentences. A male may earn a ph.Logical formLearned from19 sentences. A person may get a ph.Logical formLearned from19 sentences. Yourselves may earn a ph.Logical formLearned from18 sentences. A male may receive a ph.Logical formLearned from18 sentences. A ph can be troublesome.Logical formLearned from18 sentences. A range can be constituted-of-or-filled-with (soil ph).Logical formLearned from18 sentences. Changes can be in phs.Logical formLearned from18 sentences. A ph may pertain-to solutions.Logical formLearned from17 sentences. A ph can be lowered.Logical formLearned from17 sentences. A ph may pertain-to an ocean.Logical formLearned from17 sentences. A ph can be given.Logical formLearned from17 sentences. A ph may be lowered.Logical formLearned from17 sentences. Levels can be constituted-of-or-filled-with ph.Logical formLearned from17 sentences. A ph can be extreme.Logical formLearned from17 sentences.