Which of the capitalized words provides the least negative interpretation of sam's behavior?
sam seemed a bit cold at the party; he hardly spoke to anyone and seemed unhappy.
sam seemed a bit indifferent at the party; he hardly spoke to anyone and seemed unhappy.
sam seemed a bit antisocial at the party; he hardly spoke to anyone and seemed unhappy.
sam seemed a bit withdrawn at the party; he hardly spoke to anyone and seemed unhappy.