Q: Does "Major European rivers flow from Switzerland, such as the Rhine, the Rhone, the Inn, the Ticino and the Po, all of which have headwaters in the Alps and flow into neighbouring countries, finally emptying into the North Sea, the Mediterranean Sea, the Adriatic Sea and the Black Sea." provide a valid answer to "Which river is second to the Nile as a freshwater source to the Mediterranean?"?
A: no

Q: Does "In 1853, Victoria gave birth to her eighth child, Leopold, with the aid of the new anaesthetic, chloroform." provide a valid answer to "What was a new anaesthetic being used for childbirth in Victoria's time?"?
A: yes

Q: Does "Evidence of human habitation has been found in caves near Vercors, close to Grenoble; in Austria the Mondsee culture shows evidence of houses built on piles to keep them dry." provide a valid answer to "How old are rock drawings in Valcamonica?"?
A: no

Q: Does "Because the keytop for the O key also showed a left-arrow symbol (from ASCII-1963, which had this character instead of underscore), a noncompliant use of code 15 (Control-O, Shift In) interpreted as "delete previous character" was also adopted by many early timesharing systems but eventually became neglected." provide a valid answer to "What code eventually became neglected?"?
A:
yes