Does the sentence "Ten months later, in February 2013, after serious losses and a write-down in the value of the resort from $2.4 billion to $450 million, Revel filed for Chapter 11 bankruptcy." provide a valid answer to the question "Who offered Revel $261 million in state tax credits?"

A: no

Does the sentence "The use of alloys by humans started with the use of meteoric iron, a naturally occurring alloy of nickel and iron." provide a valid answer to the question "What was one of the first alloys used by humans?"

A: yes

Does the sentence "According to one of his biographers, Charlotte Gray, Bell's work ranged "unfettered across the scientific landscape" and he often went to bed voraciously reading the Encyclopdia Britannica, scouring it for new areas of interest." provide a valid answer to the question "What series of books does Gray say Bell would go to sleep reading?"

A: yes

Does the sentence "The linguistically isolated Romansh culture in Graubunden in eastern Switzerland constitutes an exception, it survives only in the upper valleys of the Rhine and the Inn and strives to maintain its rare linguistic tradition." provide a valid answer to the question "Where is the Romansh culture located?"

A:
yes