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Point out the wrong statement.

a) You cannot query for a node in the children field to find its parent node only
b) You can query for a node in the children field to find its parent node as well as its siblings
c) You can query for a node in the children field to find its siblings only
d) None of the mentioned

Answer: b
Explanation: The Child References pattern provides a suitable solution to tree storage as long as no operations on subtrees are necessary.

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