1. All of the following are challenges associated with naturallanguage processing EXCEPT

-dividing up a text into individual words in English.

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understanding the context in which something is said.

-distinguishing between words that have more than onemeaning.

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recognizing typographical or grammatical errors in texts.

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interpreting sarcastic comments

2. All of the followingstatements about social networks are true EXCEPT

-	it is possible to gain insights into how products go viral.
	companies should invest equally to retain all members of agroup.
-	members of a group are affected by the behavior of others in thegroup.
-	a group with all interconnected individuals is called aclique.
	-None of the above