Possible Clues:

• 'It's dark in here!'
• 'You're blocking my view!'
• Complaint from the nosebleed section
• Complaint when the lights are out
• 'It's too dark in here!'
• "Please turn on the lights!"
• "You're blocking my view!"
• 'Down in front!'
• Complaint about blocked vision
• 'Curse this guy's ten gallon hat!'