Problem: The western extension of London ' s congestion charge was withdrawn in 2007 ( and introduced on January 1 , 2011 ) .
The Western Extension of the London congestion charge was introduced in 2007 ( and withdrawn on 1 January 2011 ) .
OPTIONS:
- no
- yes
-+-
A: no

Problem: Alla Petrovna Tsuper ( born April 16 , 1979 ) is a Belarusian ( until 2000 ) and Ukrainian ( since 2000 ) flight skier .
Alla Petrovna Tsuper ( ; ; ; born 16 April 1979 ) is a Ukrainian ( until 2000 ) and Belarusian ( since 2000 ) aerial skier .
OPTIONS:
- no
- yes
-+-
A: no

Problem: This is caused by a combination of kinetic heating ( friction ) and adiabatic compression .
This is caused by a combination of adiabatic ( ribbed ) heating and kinetic compression .
OPTIONS:
- no
- yes
-+-
A:
no