Humpty Dumpty sits on a every day while having lunch. The wall sometimes breaks. A person sitting on the wall falls if the wall breaks. Which one of the statements below is logically valid and can be inferred from the above sentences?
|(A) Humpty Dumpty always falls while having lunch.|
|(B) Humpty Dumpty does not fall sometimes while having lunch.|
|(C) Humpty Dumpty never falls during dinner.|
|(D) When Humpty Dumpty does not sit on the wall, the wall does not break.|
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