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