Question: Can fish get Tonsillitis?, Answer:No, Description of Tonsillitis: Inflammation of the tonsils, Fact1: Tonsils are a pair of soft tissue masses located at the rear of the throat, Fact2: Tonsillitis is the inflammation of tonsils., Fact3: Fish do not have tonsils., Fact4: Tonsils are only found in mammals. 
Step1: What does Tonsillitis affect?, Step2: What kinds of animals are #1 found in?, Step3: Are fish #2?, Wikipedia page for step 1: Tonsillitis, Wikipedia page for step 2: Tonsils , Wikipedia page for step 3: Fish, not_definitive_answer: False, incorrect_answer: False