Which of the following sentences has a redundant word or idea?
A. The airplanes pilot put the airplane into a dive.
B. The gray kitten played with an older cat
C. This house is much bigger that the last one.
D. I'd rather go to the circus than the country fair.

B.  The gray kitten played with an older cat

Explanation:

A cat is, by definition, an old kitten, so just say ' cat.'

The gray kitten played with a cat.

i am a strong (insert gender here) my father and his brother were to, they were killed not by the cold, not by the bears or wolves that roam our streets at night, but by the   bolsheviks. we must stand up and fight communism or we all end up dead, starved dehydrated, enslaved. the time is now we must fight. lenin is a dangerous man but he can be stopped. so my comrades we shall siege there weapons tonight on ward. (rides away with ak(not invented yet) and sword in hand while on bear into snowstorm)