Which 1967 Best Picture nominee is your favorite?

More on each film:

Bonnie and Clyde: Bored waitress Bonnie Parker falls in love with an ex-con named Clyde Barrow and together they start a violent crime spree through the country, stealing cars and robbing banks.
Doctor Dolittle: After the animal communicating veterinarian goes too far for his clientele, he and his friends escape their hometown to the sea in search of the Great Pink Sea Snail.
The Graduate: A disillusioned college graduate finds himself torn between his older lover and her daughter.
Guess Who's Coming to Dinner: A White couple's attitudes are challenged when their daughter introduces them to her Black fiancé.
In the Heat of the Night: A black Philadelphia police detective is mistakenly suspected of a local murder while passing through a racially hostile Mississippi town, and after being cleared is reluctantly asked by the police chief to investigate the case.