Problem: Oil prices, notoriously vulnerable to political events, spiked as high as $40 a barrel during the Gulf War in 1991.

Based on the paragraph above can we conclude that "Natural gas production will become more efficient than oil production."?

A: It's impossible to say

Problem: Levy Mwanawasa, the President of Zambia died yesterday at age 59. He died in a Paris hospital in France. His death was intially announced by an anonymous family member. It was later confirmed on television by vice president Rupiah Banda. Mwanawase suffered a stroke while in Egypt in June of this year for an African Union summit, whereafter he was flown to France. His condition suddenly deteriorated on Monday.

Based on the paragraph above can we conclude that "Levy Mwanawasa did not live for 21,900 days."?

A: Yes

Problem: Football<br>Jim always liked playing football. He decided to try out for his school's tackle football team. He signed up and practiced for weeks. On the day of the tryouts, Jim performed great. He was very proud to make the team as a starter.

Based on the paragraph above can we conclude that "Jim plays tackle football"?

A:
Yes