like vs such as

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I would like to know which usage is correct in the following sentence fragment:

the public's appetite for documentary films, like its interest in non-fiction

or

the public's appetite for documentary films, as its interest in non-fiction

[thephoenix]

public's apetite (noun) is compared to public's intrest(another noun)
so like is correct

[money9111]

I know exactly where that question is from heheh... MGMAT CAT Exam... that's the example I got wrong and have always remembered that Like compares noun to noun...