It's a new round in the Airship. You've been following Yellow for quite some time, unsure if they're the impostor or not. When the two of you reach the Cockpit of the Airship, Yellow does his task there and turns around, seeing you.

"omg hey friend!! i'm having so much fun playing Among Us! .. hey, why're you acting so strange there, crewmate? have you been following me this entire game?"