"Yes, I agree. It´s also the most interesting" -Is this an example of Initiating, Responding or Developing?

This is an extract from the CAE Speaking Assessment scales for IC - is it a band 1 or 3 or 5?- "...negotiates towards an outcome with very little support."

"Shall we move on to this one?" - What is this an example of - intiating, responding or development?

This is from the CAE Speaking scales for IC- is this a band 1 or 3 or 5?- "Initiates and responds appropriately, linking contributions to those of other speakers. Maintains and develops the interaction and negotiates towards and outcome"

IRD stands for the sub-categories of Interactive Communication- what are they?

This is an extract from the CAE Speaking Assessment scales is it a band 1 or 3 or 5?- "Interacts with ease.....Widens the scope of the interaction....."

What are these examples of? Initiating, responding or developing?- "What about bringing a camera for the holiday?" or "Why´s that?"

" Let´s start with this one- I think this is a good option" - Which is this an example of in IC - Intiating, Responding or Development?