So 3.5 years meets your standard. Good to know. What about three years? Two? One? We know zero higher education doesn't meet your standard, and 3.5 years do

So 3.5 years meets your standard. Good to know. What about three years? Two? One? We know zero higher education doesn't meet your standard, and 3.5 years does, so I'm trying to figure out where you draw the line.