OG-249. Bluegrass musician Bill Monroe, whose repertory, views on musical collaboration, and vocal style influenced generations of bluegrass artists, also inspired many musicians, including Elvis Presley and Jerry Garcia, whose music differed significantly from his own.
who is "his", Bill Monroe or Jerry Garcia ?
OG-250. The gyrfalcon, an Arctic bird of prey, has survived a close brush with extinction; its numbers are now five times greater than when the use of DDT was sharply restricted in the early 1970's.
Why plural "numbers". Shouldn't it be "its number", since there is only one number ?
How to you have more than one number now ?
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