Detailed Instructions: In this task, you are given a context tweet and an answer. Your job is to generate a question for the given answer based on the given tweet paragraph. Note that your question should be answerable based on the given tweet, and the answer to your question should be the given answer.
Problem:Context: The thrill is gone, you guys. Just as we were about to push back, they reconnected the jet bridge to let a second passenger on the flight. 😥 Chris O'Leary (@ohhleary) January 12, 2015 Answer: a jet bridge
Solution:
what was used to allow a second passenger on the flight?