Does the sentence "Scientists have been studying the impact of climate change and water use." provide a valid answer to the question "Who have been studying the impact of climate change and water use?" OPTIONS:
- yes
- no

A: yes

Does the sentence "Over a dozen people were killed in Beirut as a result of the chaos, and in Jerusalem, roughly 75,000 Arabs marched through the Old City chanting, "Nasser will never die." provide a valid answer to the question "How many people marched in Jerusalem?" OPTIONS:
- yes
- no

A: yes

Does the sentence "A third type of solution to the problem of the direction of time, although much less represented, argues that the laws are not time-reversal symmetric." provide a valid answer to the question "What is are kind of nuclear force is not time-reversibile?" OPTIONS:
- yes
- no

A: no

Does the sentence "For example, the serial Japan-Korea treaties of 1905, 1907 and 1910 were protested; and they were confirmed as "already null and void" in the 1965 Treaty on Basic Relations between Japan and the Republic of Korea." provide a valid answer to the question "An otherwise valid and agreed upon treaty may be rejected as what for several reasons most of which involve problems created at the formation of a treaty?" OPTIONS:
- yes
- no

A:
no