Question: Has CNES planted a French flag on the lunar surface?, Answer:No, Description of CNES: French space agency, Fact1: The lunar surface is on the moon., Fact2: CNES has not sent a person to the moon.
Step1: Where is the lunar surface?, Step2: What country is the CNES part of?, Step3: Which countries have sent people or probes to #1?, Step4: Is #2 included in #3?, Wikipedia page for step 1: Geology of the Moon, Wikipedia page for step 2: CNES, Wikipedia page for step 3: List of missions to the Moon, Wikipedia page for step 4: , not_definitive_answer: False, incorrect_answer: False