Bert was forced to sell his $$10000$ stereo system to Mabel, who threatened to release to the media embarrassing information about their affair. Mabel immediately sold the system to Celine for $$8000.$ Mabel then left the country. When Bert found out that Mabel was gone, he located the stereo system and demanded that Celine hand it over because the contract with Mabel was voidable. Celine has to return the stereo to Bert.

a$.$ False

b$.$ True