Muse. C.

Yes, (I) believe in Gainsborough.

And Constable, and Turner to come.

Then again,
Cheers!

Equation. C.

Either of two equal or corresponding parts into which something is or can be divided.

When baked: Not fully thought through / Foolish.

Then again,
Cheers!

Promise. C.

With infinitive and with direct speech, we (I) put forth.

'Instead, as contrasted with, Before. What After?'

Then again,
Cheers!