Read the following context and choose the best option to answer the question.
Context: We ' ve already researched about the skull bones fusing early ( because she has a ridge running from front to back ) and I worried she did n't have sweat glands because she does not have tears yet . She got hot and clammy today though , so I ' m assuming she sweats , but maybe her tear ducts are blocked . Mommyitis . Amanda asked to have Nicole on her chest today . Nicole rooted around on her until Amanda said , " Get this off me !
Question: What would be the reason that Nicole would be " rooting around on her " ?
Options: 
- None of the above choices .
 - Nicole is searching for potato roots .
 - Nicole is playing a game and pretending she is a pig .
 - Nicole wants to nurse Amanda because she does n't know she is NOT her mother .


Nicole wants to nurse Amanda because she does n't know she is NOT her mother .