Does the sentence "He learned Indian arithmetic from an Indian greengrocer,Mahmoud Massahi and he began to learn more from a wandering scholar who gained a livelihood by curing the sick and teaching the young." provide a valid answer to the question "Who did Avicenna learn Indian arithmetic from?"

A: yes

Does the sentence "New features and functionality in Windows 8 include a faster startup through UEFI integration and the new "Hybrid Boot" mode (which hibernates the Windows kernel on shutdown to speed up the subsequent boot), a new lock screen with a clock and notifications, and the ability for enterprise users to create live USB versions of Windows (known as Windows To Go)." provide a valid answer to the question "What is the point of near field communications?"

A: no

Does the sentence "Typically a DBMS vendor provides tools to help importing databases from other popular DBMSs." provide a valid answer to the question "How can a DBMS database migration be made easier?"

A: yes

Does the sentence "The collector voltage drops because of reduced resistance from collector to emitter." provide a valid answer to the question "Why does the collector voltage drop in grounded-emitter transistor circuits?"

A:
yes