Помогите пожалуйста задать 5 типов вопросов к предложению: A group of scientists organised an Investigation Bureau in the 1960s. СРОЧНООООО

Did a group of scientists organise an Investigation Bureau in the 1960s-общий вопрос
Did a group of scientists or students organise an Investigation Bureau in the 1960s-альтернативный вопрос
Who organised an Investigation Bureu in the 1960s-вопрос к подлежащему
What did a group of scientists organise in the  1960-специальный вопрос
A group of scientists organised an Investigation Bureau in the 1960s,didnt it-разделительный вопрос