Although amyotrophic lateral sclerosis, or ALS, typically causes death within 3 to 5 years of the
onset of symptoms, on average, the famous physicistStephen Hawking has defied the odds, in
contrast, by living more than 40 years after his initial diagnosis.

(a) typically causes death within 3 to 5 years of the onset of symptoms, on average, the famous
physicist Stephen Hawking has defied the odds, in contrast,
(b) causes death within 3 to 5 years of the onset of symptoms, on average, the famous physicist
Stephen Hawking has defied the odds, in contrast,
(c) typically causes death within 3 to 5 years of the onset of symptoms, the famous physicist
Stephen Hawking has defied the odds
(d) causes death within 3 to 5 years of the average onset of symptoms, the famous physicist
Stephen Hawking has defied the odds, by contrast,
(e) typically causes death within 3 to 5 years of the average onset of symptoms, the famous
physicist Stephen Hawking has defied the odds

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