<human>: Does "Field Marshal Montgomery insisted priority be given to his 21st Army Group's attack being made in the north, while Generals Bradley (12th U.S. Army Group) and Devers (Sixth U.S. Army Group) insisted they be given priority in the center and south of the front (respectively)." contain the correct answer to "What general commanded the 12th US Army Group?"
OPTIONS:
- yes
- no
<bot>: yes