Problem: Does "Witnesses claim that helicopters used for the operation launched from French-flagged warships, but that could not be confirmed." answer the question "What country's ships did some witnesses say were involved in the Baarawe attack?"

A: yes

Problem: Does "The history of phonology may be traced back to the Ashtadhyayi, the Sanskrit grammar composed by Panini in the 4th century BC." answer the question "What other text was related to the Ashtadhyayi?"

A: no

Problem: Does "Older letters of the Russian alphabet include , which merged to (/je/ or /e/); and , which both merged to (/i/); , which merged to (/f/); , which merged to (/u/); , which merged to " answer the question "What did the old letters and become?"

A:
yes