What is the odd word (phrase) among the following options: 1) military registration 2) reaching 17 years old

What is the odd word (phrase) among the following options: 1) military registration 2) reaching 17 years old 3) military enlistment office 4) contract 5) right to work? Select the correct statements: 1) A young man must prepare for military service. 2) Russian citizens aged 17 to 28 are called up for military service. 3) The rules of internal discipline in the Armed Forces of the Russian Federation are determined by the Labor Code. 4) A citizen may be exempted from military service due to health reasons. The authority responsible for the registration of young people liable for military service is: 1) Ministry of Internal Affairs 2) prosecutor’s office 3) Investigative Committee 4) military enlistment office. Choose the correct statements: 1) Defending the Motherland is a sacred duty of a Russian citizen. 2) Each conscript serves in the military under a contract. 3) A citizen can get a deferment from military service. 4) Every serviceman takes an oath before the State flag of Russia and the military unit’s banner. Find the correct sequence of actions related to the registration of a citizen for military service: 1) reaching 17 years old, receiving a summons from the military enlistment office, signing a contract, military registration 2) reaching 17 years old, receiving a summons from the military enlistment office, military registration 3) reaching 16 years old, admission to a Suvorov military school, deployment to a military unit, military registration 4) reaching 18 years old, meeting of the draft board, medical examination, military registration.