Does the sentence "The ground-attack aircraft of the USAF are designed to attack targets on the ground and are often deployed as close air support for, and in proximity to, U.S. ground forces." provide a valid answer to the question "What type of aircraft is not appropriate to be used in close proximity of US ground troops?"

A: no

Does the sentence "Party divisions "whether operating for good or evil, are things inseparable from free government"." provide a valid answer to the question "What type of group were the "king's friends"?"

A: no

Does the sentence "Fryderyk was the couple's second child and only son; he had an elder sister, Ludwika (180755), and two younger sisters, Izabela (181181) and Emilia (181227)." provide a valid answer to the question "What is the name of Chopin's eldest sister?"

A: yes

Does the sentence "However, in 1970, GE sold its computer division to Honeywell, exiting the computer manufacturing industry, though it retained its timesharing operations for some years afterwards." provide a valid answer to the question "What division of GE provides computer timesharing services?"

A:
no