Which option is an example of a citation?
a. paul, nikko. "dust." line drawing. the artist's page. artists unlimited, 1 february 2005. web. 5 april 2013.
b. dust storms are extremely dangerous, and people should heed warnings to find shelter when one is coming.
c. though dust storms pose a serious threat to those caught in their path, their harsh beauty is undeniable.
d. this line drawing captures both the unrelenting horror and majestic raw beauty of a dust storm.

normally working animals are domesticated and ruled by a master, a domesticator (tamer), to perform basic and important functions on a farm, for example. the value used in this context is animal labor in exchange for food. it is not so much a contrast to the story told by napoleon and the pigs, since the animals of that particular farm also performed functions on the farm through domestication. the only thing is that in this case, who rules them is a pig, also an animal, but very respected, to whom the other animals lent him submission. that's about a strong relationship of dependency between animal and owner.

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explanation: