Does the sentence "This led to several expansion projects: the grandstand in 1944, the southern stand in 1946, and finally the northern stand in 1950." provide a valid answer to the question "When was the last expansion of Les Corts?" OPTIONS:
- yes
- no

A: yes

Does the sentence "The files were collected for various reasons." provide a valid answer to the question "What party was the FBI concerned with?" OPTIONS:
- yes
- no

A: no

Does the sentence "The DIN system, officially DIN standard 4512 by Deutsches Institut fur Normung (but still named Deutscher Normenausschu (DNA) at this time), was published in January 1934." provide a valid answer to the question "Who presented the idea that grew into the DIN?" OPTIONS:
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- no

A: no

Does the sentence "In October 2014, the trial of six senior staff and journalists at The Sun newspaper began." provide a valid answer to the question "What were Sun staff accused of in a 2014 trial?" OPTIONS:
- yes
- no

A:
no