Cabinet departs after backing PM's referendum proposal

The transcript contains a brief statement, 'Actually no,' which suggests a negation or correction.

What do you think the phrase 'Actually no.' implies in a conversation?

In what contexts might someone say 'Actually no.'?

How does the tone of voice affect the meaning of 'Actually no.'?

Can 'Actually no.' be considered a polite response? Why or why not?

What emotions might be conveyed by saying 'Actually no.'?