In this task, given a sentence in the English language, your task is to convert it into English Tokens.
Q: A spokesperson confirmed that tests had been performed "in close consultation with Rolls-Royce and Airbus" on the model's Trent 900 engines.
A:
A spokesperson confirmed that tests had been performed '' in close consultation with Rolls-Royce and Airbus '' on the model 's Trent 900 engines .