The conversation between human and AI assistant.
[|Human|] Identify which systems in this list are part of the Hadoop ecosystem : MapReduce, MySQL, Google apps, Hive, Pig
[|AI|] MapReduce, Hive and Pig are part of Hadoop ecosystem. Google apps and MySQL are other projects that don't belong to Hadoop ecosystem.
[|Human|] 
Identify which systems in this list are part of the Hadoop ecosystem : MapReduce, MySQL, Google apps, Hive, Pig