I am verifying the answers generated by an automatic system to the following question: how many missions has the us sent to mars Suggested answer: China, Russia, Japan, and India have advocated manned missions to the Moon during the 21st century, while the European Union has advocated manned missions to both the Moon and Mars during the 21st century. Should I validate this answer?
Select from: 1). No 2). Yes
Answer:
1).