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 the three people are talking as they work in the office .
There is a better than even chance that the three people are talking as they work in the office .
It is impossible that the three people are talking as they work in the office .
The three people are talking as they work in the office .