Does "The laboratory was also the site where he and his associate invented his "proudest achievement", "the photophone", the "optical telephone" which presaged fibre optical telecommunications, while the Volta Bureau would later evolve into the Alexander Graham Bell Association for the Deaf and Hard of Hearing (the AG Bell), a leading center for the research and pedagogy of deafness." contain the correct answer to "The Volta lab improved the phonograph by replacing tinfoil with what substance?"

A: no

Does "The BYU Jerusalem Center, which was closed in 2000 due to student security concerns related to the Second Intifada and, more recently, the 2006 Israel-Lebanon conflict, was reopened to students in the Winter 2007 semester." contain the correct answer to "What was the most recent conflict that affected the closure of BYU Jerusalem Center from 2000-2007?"

A: yes

Does "The city contains several theaters, including the National Dance Theatre in Kanti Path, the Ganga Theatre, the Himalayan Theatre and the Aarohan Theater Group founded in 1982." contain the correct answer to "What year saw the beginning of the Aarohan Theater Group?"

A:
yes