Question: Is watermelon safe for people with a tricarboxylic acid allergy?, Answer:Yes, Description of Watermelon: A large fruit with a smooth hard rind, of the gourd family, Fact1: Tricarboxylic acid as an acid that manifests itself in fruits as citric acid., Fact2: Citric acid can be found in citrus fruits such as oranges and lemon., Fact3: Watermelon is not a citrus fruit.
Step1: What is the most common example of a tricarboxylic acid?, Step2: Which kind of fruits is #1 usually present in?, Step3: Is watermelon excluded from #2?, Wikipedia page for step 1: tricarboxylic acid, Wikipedia page for step 2: Citric acid, Wikipedia page for step 3: Citrus, not_definitive_answer: False, incorrect_answer: False