Three people , one with a black shirt , one with a navy blue jacket , and one with a red t-shirt , working in an office with a large messy bookshelf .
There is a better than even chance that three people from different cleaning services are working to clean up an office .
It is impossible that three people from different cleaning services are working to clean up an office .
There is a better than even chance that three people from different cleaning services are working to clean up an office .
Three people from different cleaning services are working to clean up an office .