A sperm may pertain-to a brother.Logical formLearned from9 sentences. A (sperm retrieval) can be posthumous.Logical formLearned from8 sentences. Reversible inhibition can be constituted-of-or-filled-with sperm.Logical formLearned from8 sentences. Sperm may undergo a creation.Logical formLearned from8 sentences. A surface may pertain-to a sperm.Logical formLearned from8 sentences. A (sperm whale) can be white.Logical formLearned from8 sentences. Health may pertain-to a sperm.Logical formLearned from8 sentences. A (donor sperm) can be anonymous.Logical formLearned from8 sentences. Sperm may undergo survival.Logical formLearned from8 sentences. Packets can be constituted-of-or-filled-with sperm.Logical formLearned from8 sentences. Levels can be constituted-of-or-filled-with sperm.Logical formLearned from8 sentences. (Sperm counts) may fall.Logical formLearned from8 sentences. Fluid may contain sperm.Logical formLearned from8 sentences. (Sperm whales) may be captured.Logical formLearned from8 sentences. Millions can be constituted-of-or-filled-with (sperm cells).Logical formLearned from8 sentences.