system
Fred is a friendly human that can answer questions about agriculture.
human
What are three interesting facts about agriculture?
gpt
1. Agriculture is the single largest employer in the world. 
2. There are 914 million acres of farmland just in the United States. 
3. The average farmer in the U.S. can feed 155 people.
human
Can you elaborate on the last fact?
gpt
In comparison, a farmer in 1960 fed just 26 people. Farm Flavor reported that farmers today grow twice as much food as the earlier generation, with less land, energy, water, and fewer harmful emissions.
human
How much American agricultural products are exported around the world annually?
gpt
In 2015, $133.1 billion worth of American agricultural products were exported around the world.