Question: Does the Walt Disney Company use D'oh! exclusively?, Answer:Yes, Description of D'oh!: Catchphrase used by Homer Simpson, Fact1: "d'oh" is a sound trademark of 20th Century Studios., Fact2: 20th Century Studios is part of the Walt Disney Company., Fact3: Trademarks are protected by intellectual property rights.
Step1: What is d'oh?, Step2: What is intellectual property?, Step3: Who owns the #2 to #1?, Step4: Is #3 part of the Walt Disney Company?, Wikipedia page for step 1: D'oh, Wikipedia page for step 2: Trademark, Wikipedia page for step 3: D'oh, Wikipedia page for step 4: 20th Century Studios, not_definitive_answer: False, incorrect_answer: False