Does the sentence "An example is ferroelectric materials, where the change from a paraelectric to a ferroelectric state occurs at the Curie temperature and is related to a change from the high-symmetry paraelectric state to the lower symmetry ferroelectic state, accompanied by a so-called soft phonon mode, a vibrational lattice mode that goes to zero frequency at the transition." provide a valid answer to the question "What aids in predicting changes of physical traits?"

A: no

Does the sentence "Additionally, Whitehead was known for his "almost fanatical belief in the right to privacy", and for writing very few personal letters of the kind that would help to gain insight on his life." provide a valid answer to the question "What did Whitehead believe in so profusely that it was difficult to write a biography on him?"

A: yes

Does the sentence "In conjunction with this, the league moved the beginning of the season from May to February (the week after the NFL's Super Bowl) and scheduled most of its games on Sunday instead of Friday or Saturday as it had in the past." provide a valid answer to the question "In what month did the AFL season originally begin?"

A: yes

Does the sentence "The foundation ceased operations in 2011." provide a valid answer to the question "What year did the foundation end its run?"

A:
yes