Does the sentence "In 1985, Spielberg released The Color Purple, an adaptation of Alice Walker's Pulitzer Prize-winning novel of the same name, about a generation of empowered African-American women during depression-era America." provide a valid answer to the question "Who wrote 'The Color Purple'?"

A: yes

Does the sentence "Both Krasner and Schroeder built upon the work performed by Eberhard F. Zwicker in the areas of tuning and masking of critical bands, that in turn built on the fundamental research in the area from Bell Labs of Harvey Fletcher and his collaborators." provide a valid answer to the question "Which country were the researchers located in?"

A: no

Does the sentence "The scale was developed to combat the assumption at the time that people are either heterosexual or homosexual and that these two types represent antitheses in the sexual world." provide a valid answer to the question "When was the KInsey scale first published?"

A: no

Does the sentence "However, by the end of the 1980s, average disc-pressing prices were over $5.00 per two-sided disc, due to the large amount of plastic material and the costly glass-mastering process needed to make the metal stamper mechanisms." provide a valid answer to the question "How much did LaserDiscs cost to produce by the end of the 1980s?"

A:
yes