Question: there she walks around greeting the children, sits on their legs and picks their shoe laces to their huge pleasure.
Answer: --> There she walks around greeting the children, sits on their legs and picks their shoe laces to their huge pleasure.

Question: he had tried for years to persuade the university authorities to build a physics institute but, only after neumann retired was the physics institute built.
Answer: --> He had tried for years to persuade the university authorities to build a Physics Institute but, only after Neumann retired was the Physics Institute built.

Question: the participants on these workshops were managers and employees who are in contact with the markets in question.
Answer:
--> The participants on these workshops were managers and employees who are in contact with the markets in question.