Does "On the morning of 11 September 2001, 19 men affiliated with al-Qaeda hijacked four airliners all bound for California." contain the correct answer to "Which al-Qaeda cell were the 9/11 hijackers members of?"
OPTIONS:
- yes
- no

A: no

Does "Today it has over 201 km (125 mi) of track and carries over 5 million people every day." contain the correct answer to "How many people ride the Mexico city subway system each day?"
OPTIONS:
- yes
- no

A: yes

Does "Tucson typically averages one hard freeze per winter season, with temperatures dipping to the mid or low-20s (7 to 4 C), but this is typically limited to only a very few nights." contain the correct answer to "What do Tucson's hard freeze temperatures dip to?"
OPTIONS:
- yes
- no

A:
yes