MapReduce is well-suited for all of the following applications EXCEPT? (Choose one):

A.
Text mining on a large collections of unstructured documents.

B.
Analysis of large amounts of Web logs (queries, clicks, etc.).

C.
Online transaction processing (OLTP) for an e-commerce Website.

D.
Graph mining on a large social network (e.g., Facebook friends network).

Explanation:
Hadoop Map/Reduce is designed for batch-oriented work load.
MapReduce is well suited for data warehousing (OLAP), but not for OLTP.