Choose all relations below that are functions.

Inputs = all humans Outputs = all human heights The relation assigns humans to their heights. Inputs = all human heights Outputs = all humans The relation assigns human heights to humans who have that height. Inputs = all students in a class Outputs = all colors The relation assigns students to their one favorite color. Inputs = all colors Outputs = all students in a class The relation assigns colors to students who list that as their favorite color