Question: Was being a mail carrier considered one of the most dangerous jobs?, Answer:Yes, Description of Mail carrier: employee of the post office or postal service, who delivers mail to residences and businesses, Fact1: The Pony Express was one of the first mail carrier services., Fact2: The Pony Express operated form 1860 to 1861, Fact3: Pony Express riders would have to travel hundreds of miles on horse back through extreme weather and terrain. , Fact4: The Pony Express sought to hire young expert horse riders willing to risk death.
Step1: What was the name of the mail carrier service that operated from 1860 to 1861?, Step2: What would riders on #1 have to endure?, Step3: Is #2 considered very dangerous?, Wikipedia page for step 1: The Pony Express , Wikipedia page for step 2: The Pony Express , Wikipedia page for step 3: The Pony Express , not_definitive_answer: False, incorrect_answer: False