Does the sentence "Paris in its early history had only the Seine and Bievre rivers for water." provide a valid answer to the question "Who was Eugene Belgrand under?" OPTIONS:
- yes
- no

A: no

Does the sentence "The cells in the blood vessel walls are joined tightly to one another, forming the bloodbrain barrier, which blocks the passage of many toxins and pathogens (though at the same time blocking antibodies and some drugs, thereby presenting special challenges in treatment of diseases of the brain)." provide a valid answer to the question "Meninges separate what structure from the brain?" OPTIONS:
- yes
- no

A: no

Does the sentence "The development of technical and commercial expertise in all stages of this vertical integration, from the initial search for oil (exploration) through its harvesting (production), transportation, refining and finally trading and marketing established the core competencies on which the company was founded." provide a valid answer to the question "The development of what two types of exptertise established the core competencies on which the company was founded?" OPTIONS:
- yes
- no

A: yes

Does the sentence "Followers of Islam make up 1.6%, and this is primarily due to an influx of foreign workers into the urban centers." provide a valid answer to the question "Who form the majority of Islamic residents of the Congo?" OPTIONS:
- yes
- no

A:
yes