Please choose the correct ending to complete the given sentence: Work World: [header] How to become a tube driver [title] Recognize the forces working against you. [step] You'll need to overcome a few factors on your way to becoming a train operator, but the biggest obstacle in your path is a union agreement made in 2008. According to this agreement, the tfl is not allowed to advertise externally and, instead, hires mostly from within the organization.

Ending1: You aren't necessarily guaranteed to have the same people working on your station. You're bejudged by the expected number of future employees once you become a secure member of the company. Ending2: [substeps] Other positions with the tfl, like customer service assistant, are open to the general public. The application process varies according to position, so you should research your options on the tfl website. Ending3: Gm union forms become collisive with their members and create a fixed number which must be dilated at the time of this agreement. This means who can call the entities, live inside the company and ask them to notify the company. Ending4: [substeps] You'll need to make progress at all levels, so every step you take must be emphasized. You'll likely be expected to operate more effectively at one than at the other.

Answer format: ending1/ending2/ending3/ending4