Does "In 1998, Netscape launched what was to become the Mozilla Foundation in an attempt to produce a competitive browser using the open source software model." contain the correct answer to "When was Firefox released?"

A: no

Does "Since energy-intensity is the inverse of energy-efficiency it drops as efficiency goes up." contain the correct answer to "What caused the energy efficiency to go up?"

A: no

Does "In a playoff or championship game, the teams continue to attempt to score from alternating 35-yard lines, until one team is leading after both have had an equal number of possessions." contain the correct answer to "In which year did the CFL begin requiring teams to attempt 2-point conversions after scoring in a tie-breaking situation?"

A:
no