Choose the word that differs from the rest

Choose the word that differs from the rest.
1.A.monkey B.animal C.elephant D.bear
2.A.fly B.jump C.walk D.soccer
3.A.teacher B.farmer C.cooker D.worker
4.A.sofa B. armchair C. tailor D.stool
5.A.novels B.dictionaries C.books D.physics