system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
Choose the word which is different from the rest: Barley, Rice, Wheat, Mustard, Bajra.


assistant
All except Mustard are foodgrains, while mustard is an oilseed.  A grain is a small, hard, dry fruit with or without an attached hull layer, harvested for human or animal consumption.
The major U.S. oilseed crops are soybeans, cottonseed, sunflower seed and canola.  Soybeans are the dominant oilseed in the United States, accounting for about 90 percent of U.S. oilseed production.