Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.
One example is below.
Q: Category: construction 
Words: excavator, crane, pelican, hoist, upraise
A: pelican
Rationale: A pelican is not related to construction because it is a type of bird.
Q: Category: animal 
Words: bird, fish, fly, drive, eagle
A:
drive