In which condensation an enol or an enolate ion reacts with a carbonyl compound to form a -hydroxyaldehyde or -hydroxyketone (an aldol reaction), followed by dehydration to give a conjugated enone happens?

In which condensation an enol or an enolate ion reacts with a carbonyl

1.	In which condensation an enol or an enolate ion reacts with a carbonyl compound to form a -hydroxyaldehyde or -hydroxyketone (an aldol reaction), followed by dehydration to give a conjugated enone happens?
A.	Aldol condensation
B.	Claisen reduction
C.	Henry condensation
D.	Knoevenagel condensation
Answer» B. Claisen reduction