Does the sentence "Tens of thousands of people from all levels of society mobilised across Europe and captured Jerusalem in 1099." provide a valid answer to the question "In what year did the First Crusade take Jerusalem?"

A: yes

Does the sentence "A Chinese government spokesman insisted the site was spontaneously set up by a Chinese citizen angered over media coverage." provide a valid answer to the question "What was the Chinese government reported running on April 4?"

A: no

Does the sentence "During this period many Aboriginal activists began to embrace the term "black" and use their ancestry as a source of pride." provide a valid answer to the question "When did human rights for Aboriginal people begin to improve?"

A: no

Does the sentence "More recently scientists and engineers are expressing concern that patent thickets are undermining technological development even in high-tech fields like nanotechnology." provide a valid answer to the question "What type of monopolies does IP create?"

A:
no