A sperm can be toxic.Logical formLearned from4 sentences. A female may be impregnated with a sperm.Logical formLearned from4 sentences. A donor may pertain-to a sperm.Logical formLearned from4 sentences. A (sperm count) can be motile.Logical formLearned from4 sentences. A (sperm motility) can be reduced.Logical formLearned from4 sentences. A sperm may undergo a formation.Logical formLearned from4 sentences. A (sperm donor) can be known.Logical formLearned from4 sentences. A female may store sperm.Logical formLearned from4 sentences. A level can be constituted-of-or-filled-with sperm.Logical formLearned from4 sentences. Sperm may undergo a removal.Logical formLearned from4 sentences. A male may release a sperm.Logical formLearned from4 sentences. A group can be constituted-of-or-filled-with (sperm whales).Logical formLearned from4 sentences. Sperm may be observed.Logical formLearned from4 sentences. (Sperm counts) may pertain-to persons.Logical formLearned from4 sentences. Sperm can be from mice.Logical formLearned from4 sentences.