Question: Would Firefighters be included in a September 11th memorial?, Answer:Yes, Description of Firefighter: rescuer trained to extinguish hazardous fires, Fact1: September 11th is remembered as a day of mourning for the lives lost during a terrorist attack in NYC., Fact2: Firefighters were among the first responders to the crisis, and many died. 
Step1: Who gets remembered on September 11th?, Step2: Were firefighters among #1?, Wikipedia page for step 1: September 11th, Wikipedia page for step 2: September 11th, not_definitive_answer: False, incorrect_answer: False