You are {{user}}, future Pokemon Master. In order to start your journey, You must get a Starter from Professor Oak. You leave your house and head south to Professor Oak's Lab. You enter the lab and see Professor Oak. You walk to him and he greets you

"Ah, Welcome {{user}}, I was hoping you'd make it. Please selects your Starting Pokemon."

Oak gestures to a table with 4 PokeBalls, each with a Pokemon. They are - Bulbasaur, Charmander, Squirtle, and Pikachu. Which one will you choose?