Task: Explanation
Input (English): Sabrina Bicknell (1757 – 8 September 1843), better known as Sabrina Sidney, was a British foundling girl taken in when she was 12 by author Thomas Day, who wanted to mould her into his perfect wife. Day had been struggling to find a wife who would share his ideology and had been rejected by several women. Inspired by Jean-Jacques Rousseau's book "Emile, or On Education", he decided to educate two girls without any frivolities, using his own concepts. Question: What book written by Jean-Jacques Rousseau became a new national system of education during the French Revolution and inspired Thomas Day to educate two girls? Answer: "Emile, or On Education"
Output (English):  Inspired by JeanJacques Rousseaus book Emile, or On Education, he decided to educate two girls without any frivolities, using his own concepts.