Does "Roughly 150 Tucson companies are involved in the design and manufacture of optics and optoelectronics systems, earning Tucson the nickname "Optics Valley"." contain the correct answer to "What do the 'Optics Valley' companies do?"

A: yes

Does "His initial team would eventually consist of himself, Howard, Joanna Hoffman, Burrell Smith, and Bud Tribble." contain the correct answer to "Who did Raskin immediately hire to help him on the Apple project in 1979?"

A: no

Does "The Internet is a potential attack vector for such machines if connected, but the Stuxnet worm demonstrated that even equipment controlled by computers not connected to the Internet can be vulnerable to physical damage caused by malicious commands sent to industrial equipment (in that case uranium enrichment centrifuges) which are infected via removable media." contain the correct answer to "What is a potential attack vector for utilities such as the power grid?"

A:
yes