Problem: Wwo sentences:
Some Boston managers are concerned that banning smoking will create safety hazards as groups of smokers huddle outside bars and nightclubs .
Some Boston bar managers said they worry that banning smoking will create a hazard as groups of smokers huddle outside on sidewalks and in parking lots to smoke .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
Water samples are being tested in a state lab to determine what caused the reaction .
Water samples are being sent to the state health department for analysis .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
Sirius recently began carrying National Public Radio , a deal pooh-poohed by XM because it doesn 't include popular shows like " All Things Considered " and " Morning Edition . "
Sirius carries National Public Radio , although it doesn 't include popular shows such as " All Things Considered " and " Morning Edition . "
Do they have the same meaning?

Answer: no

Problem: Wwo sentences:
Mr. Parsons has been director of the Stennis Center , which specializes in rocket engine research and testing , since August .
Mr. Parsons has served as the director at the Stennis Space Center , which employs 4,600 people , since August .
Do they have the same meaning?

Answer:
no