question: OPTIONS:
- yes
- no
Concessions reached a peak after a crucial rail link through Vichy France was severed in 1942, leaving Switzerland completely surrounded by the Axis.
What was severed in 1942, leaving Switzerland completely surrounded by the Axis?

answer: yes

[Q]: Sentence: Ivan Gazidis has been the club's Chief Executive since 2009. Question: Who is Arsenal's Chief Executive? OPTIONS:
- yes
- no
++++++++++
[A]: yes

Q: Does "By 1647, the company had 23 factories, each under the command of a factor or master merchant and governor if so chosen, and 90 employees in India." provide a valid answer to "the east india company changed how it did business by moving from focusing on royal patronage to what type of business?"?
OPTIONS:
- yes
- no
A: no

Problem: Does "On September 21, 1529, Alvaro de Saavedra Ceron commanded the Spanish ship Florida, on his second attempt to recross the Pacific from the Maluku Islands." answer the question "Whose ship was named Florida?" OPTIONS:
- yes
- no

A: yes

Does the sentence "It is the single best test for asthma." provide a valid answer to the question "Why is spirometry so commonly used to diagnose asthma?" OPTIONS:
- yes
- no

A: yes

Does the sentence "In 191314 Leger produced a series entitled Contrasts of Forms, giving a similar stress to color, line and form." provide a valid answer to the question "During what years did Leger produce Contrasts of Forms?" OPTIONS:
- yes
- no

A:
yes