context: Many person is located in moustache. Scientist is located in moustache. Monitor is located in office. Keyboard is located in monitor. Scientist is not located in surface of earth. Keyboard is not located in e-mail. Keyboard is used for type letter. City is located in surface of earth. Office is located in city. Keyboard is not located in studio. City is a municipality. Monitor is not located in e-mail. Office is a where some person work.
text: Keyboard is located in monitor.