Does the sentence "This has led to frequent calls by Alaskan politicians for the Fund to make investments within Alaska, though such a stance has never gained momentum." provide a valid answer to the question "Was Alaska's Constitution written to encourage or discourage state funds being used for a particular purpose?" OPTIONS:
- yes
- no

A: no

Does the sentence "RIBA Bookshops, which operates online and at 66 Portland Place, is also part of RIBA Enterprises." provide a valid answer to the question "How many people work for the NBS?" OPTIONS:
- yes
- no

A: no

Does the sentence "Months before the 1975 Mr. Olympia contest, filmmakers George Butler and Robert Fiore persuaded Schwarzenegger to compete, in order to film his training in the bodybuilding documentary called Pumping Iron." provide a valid answer to the question "What was the name of the bodybuilding film Schwarzenegger starred in?" OPTIONS:
- yes
- no

A: yes

Does the sentence "Finally, an introduced species may unintentionally injure a species that depends on the species it replaces." provide a valid answer to the question "Where does the Prunus spinosa leaf much sooner?" OPTIONS:
- yes
- no

A:
no