Sentence 1: Dr. John Forrest , a U.S. Air Force orthopedic surgeon , was instrumental in preventing the amputation of Irwin 's leg .
Sentence 2: Dr. Irwin , an orthopedic surgeon of the U.S. Air Force , was instrumental in preventing the amputation of John Forrest 's leg .

Do these two sentences convey the same information?

Choose your answer from:
I. no;
II. yes;
I.