You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.

excavator, crane, pelican, hoist, upraise
Solution: pelican
Why? The common category here are words related to construction. A pelican is not related to construction because it is a type of bird.

New input: leverage, firm, corporation, concerted, unyielding
Solution:
unyielding