What are the four major tournaments in professional golf?
The four major tournaments in professional golf are the Masters, PGA Championship, Open Championship, and U.S. Open.
<START_INST>What are the four major tournaments in professional golf?<END_INST><START_CTX><END_CTX><START_A>The four major tournaments in professional golf are the Masters, PGA Championship, Open Championship, and U.S. Open.<END_A>