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.

Q: tackle, davit, swift, crane, steam roller

A: steam roller
****
Q: string, frustrated, chord, output cord, fret

A: frustrated
****
Q: fine, well, alright, suspension, acceptable

A:
suspension
****