question: OPTIONS:
- yes
- no
Males, known as cocks, are usually larger, more boldly coloured, and have more exaggerated plumage than females (hens).
How are male chickens able to be identified ?

answer: yes

[Q]: Sentence: Failing to pursue the retreating forces was one of many strategic errors made during the war, and the Russians themselves noted that had they pressed south that day they would have easily captured Sevastopol. Question: How many men did the Russians lose after three hours? OPTIONS:
- yes
- no
++++++++++
[A]: no

Q: Does "The effectiveness of British countermeasures against Knickebein, which was designed to avoid area attacks, forced the Luftwaffe to resort to these methods." provide a valid answer to "Decision changes at organizational levels led to what type of attacks?"?
OPTIONS:
- yes
- no
A: no

Problem: Does "The Thuringian duchies which became part of the German Empire in 1871 during the Prussian-led unification of Germany were Saxe-Weimar-Eisenach, Saxe-Meiningen, Saxe-Altenburg, Saxe-Coburg-Gotha, Schwarzburg-Sondershausen, Schwarzburg-Rudolstadt and the two principalities of Reuss Elder Line and Reuss Younger Line." answer the question "Who led the unification of Germany in 1871?" OPTIONS:
- yes
- no

A: yes

Does the sentence "The league added one expansion team, the Pittsburgh Power." provide a valid answer to the question "What expansion team joined the league in 2011?" OPTIONS:
- yes
- no

A: yes

Does the sentence "In the Church of England, the ecclesiastical courts that formerly decided many matters such as disputes relating to marriage, divorce, wills, and defamation, still have jurisdiction of certain church-related matters (e.g. discipline of clergy, alteration of church property, and issues related to churchyards)." provide a valid answer to the question "In what institution do church courts still have relevant functions in secular society?" OPTIONS:
- yes
- no

A:
yes