A person may have sperm.Logical formLearned from17 sentences. A (sperm bank) may pertain-to a world-city.Logical formLearned from17 sentences. A (risk factor) can be for low (sperm count).Logical formLearned from17 sentences. (Sperm cells) may pertain-to a male.Logical formLearned from17 sentences. Jade can be a sperm.Logical formLearned from17 sentences. A sperm may work.Logical formLearned from17 sentences. A sperm can be blind.Logical formLearned from17 sentences. A male may have sperm.Logical formLearned from17 sentences. A sperm may meet an egg.Logical formLearned from17 sentences. A sperm may undergo a making.Logical formLearned from17 sentences. A (sperm quality) can be decreased.Logical formLearned from17 sentences. A person may donate sperm.Logical formLearned from16 sentences. Sperm can be from a donor.Logical formLearned from16 sentences. A sperm may swim.Logical formLearned from16 sentences. (Sperm cells) can be male.Logical formLearned from16 sentences.