1. The FAA and ICAO are working on a Sonic Boom standard to enable supersonic flights overland .
2. The ICAO and the FAA are working on a sonic boom standard to allow supersonic flights overland .

yes

1. In February 1846 , Wilmington was founded as a township by combining parts of Neshannock Township at Lawrence County with parts of the Lackawannock Township in Mercer County .
2. In February 1846 , Wilmington was founded as a township by combining parts of Neshannock Township in Mercer County with parts of the Lackawannock Township at Lawrence County .

no

1. Sam has a much younger brother named Sam , who is not much older than the eldest son of Hank Bennett .
2. Sam has a much younger brother named Hank Bennett who is not much older than Sam 's eldest son .
no