This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mood Disorders, Subject name: Psychiatry
[{'content': 'A depressed patient does not want to take medication on a daily basis. The selective serotonin reuptake inhibitor (SSRI) most suitable for this patient is? \nSelect and explain. \nA. Escitalporam, B. Fluoxetine, C. Fluvoxamine, D. Paroxetine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The half life of fluoxetine is longer than 72 hour so patient can take the medication every other day and thus it is most suitable for him.', 'role': 'assistant'}]