Does the sentence "Normans also settled in Sicily and southern Italy, when Robert Guiscard (d. 1085) landed there in 1059 and established a duchy that later became the Kingdom of Sicily." provide a valid answer to the question "What kingdom grew out of the duchy founded by Robert Guiscard?"

A: yes

Does the sentence "Officially adopting a symbolic role in governance, he retained power as military commander-in-chief and head of the Revolutionary Committees responsible for policing and suppressing opponents." provide a valid answer to the question "What was Gaddafi's role in jamahiriya?"

A: yes

Does the sentence "However, despite being mostly situated in the Iberian Peninsula, Catalan differs more from Iberian Romance (such as Spanish and Portuguese) in terms of vocabulary, pronunciation, and grammar than from Gallo-Romance (Occitan, French, Gallo-Italic languages, etc.)." provide a valid answer to the question "Where is Catalonia located?"

A: yes

Does the sentence "He wrote that this was a transitional stage and that there needs to be flexibility regarding the age in which pupils graduate, as the student's emotional development and chosen subjects need to be taken into account." provide a valid answer to the question "According to Ibn Sina, at what age should children choose a direction for their education?"

A:
no