Sentence 1: The number of aircraft operated by the 507th and 137th machines was increased simultaneously by the transfer of KC-135s from the 939th air refuelling wing .
Sentence 2: The number of aircraft operated by the 939th was simultaneously increased by the transfer of KC-135s from the 507th and 137th Air Refueling Wing .

Do these two sentences convey the same information?

Options are:
(a). no;
(b). yes;
(a).