Problem: Does "Dutch also retains full use of the velar fricatives that were present in Proto-Germanic, but lost or modified in many other Germanic languages." answer the question "What sound does Dutch still use from Proto-Germanic that was phased out in other Germanic languages?"

A: yes

Problem: Does "From then on, the new reservoir system became Paris' principal source of drinking water, and the remains of the old system, pumped into lower levels of the same reservoirs, were from then on used for the cleaning of Paris' streets." answer the question "How many km of underground passageways are dedicated to teh evacuationof Paris' waste liquids?"

A: no

Problem: Does "Transformation, unlike transduction or conjugation, depends on numerous bacterial gene products that specifically interact to perform this complex process, and thus transformation is clearly a bacterial adaptation for DNA transfer." answer the question "How simple is the process of transformation?"

A:
yes