How to Decide What to build on J4

A simple yet common question.

Senario 1 | Tank

You get into a team with a naut support and a darius top, the enemy has a lot of raw damage, most would think tank , but since your team already has a tank or 2, it would be best to build cdr damage, allowing you to easy control team fights and deal massive damage while letting tanks soak up the damage.

Senario 2 | Assassins/Damage

You get into a team wih teemo top and lux support, and you are fighting a team with soon and yasuo, here you would want to build tank, to soak damage and keep your damage allies in fights while still controlling fights