Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: A town councillor from Hertfordshire says a British Airways flight to Dubai was forced to return to London due to a foul odour emanating from an overflowing toilet. Hertsmere councillor Abhishek Sachdev, who represents Potters Bar Parkfield, said the seven-hour flight was aborted ‘because of a smelly poo in the toilet’. Cabin crew were unable to fix the problem and the smell became unbearable for passengers seated nearby, forcing the plane to turn around near Brussels and land at Heathrow Airport. A British Airways captain told passengers the smell was from 'liquid faecal excrement' in a toilet Mr Sachdev, a Tory councillor, said the flight departed on time Thursday night and everything seemed fine until the captain made an announcement about 30 minutes after take-off.Captain informed passengers the smell was from 'liquid faecal excrement'Plane returned to London about 30 to 40 minutes after take-offPassenger Abhishek Sachdev said crew had health and safety concernsTravellers were put up in hotel rooms and offered food vouchers 
 Question:You might expect it on some random airline, but you wouldn’t expect it from _.’

British Airways