Which of the following is not the product of an intramolecular aldol condensation?

In aldol condensation

What is the product of intramolecular aldol condensation reaction?

Aldol condensation is:

Which of the following is the product of aldol condensation?

Which of the following compounds would be the main product of an aldol condensation of acetaldehyde and acetone ?

Which of the following compounds can be synthesized by intramolecular aldol condensation in very good yield ?