Q: Does "The current senior chief deputy minority whip, John Lewis, has held his post since 1991." provide a valid answer to "How long has democratic leader of whips held position?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "There are a high number of engineering schools, led by the Paris Institute of Technology which comprises several colleges such as Ecole Polytechnique, Ecole des Mines, AgroParisTech," provide a valid answer to "During which time frame were most grandes ecoles relocated?"?
OPTIONS:
- yes
- no
A: no

Q: Does "Often, those gifts were only temporary leases, which the magnates never returned (in the 16th century, the anti-magnate opposition among szlachta was known as the ruch egzekucji prawmovement for execution of the lawswhich demanded that all such possessions are returned to their proper owner, the king)." provide a valid answer to "What significantly increased the magnates wealth?"?
OPTIONS:
- yes
- no
A: no

Q: Does "This ushered in a period known as the Greek Dark Ages, from which written records are absent." provide a valid answer to "Ancient Greece is considered to be where what was born?"?
OPTIONS:
- yes
- no
A:
no