____________ is a subproject with the aim of collecting and distributing free materials.
(a) OSR
(b) OPR
(c) ORP
(d) ORS
This question was posed to me in an interview for job.
This question is from Lucene with Hadoop topic in portion Apache Spark, Flume, Lucene, Hama, HCatalog, Mahout, Drill, Crunch and Thrift of Hadoop