What are the keywords in the following sentence? smiling doctors interacting with each other in corridor of hospital
corridor, doctor, hospital

What are the keywords in the following sentence? tourists wander around baroque structure
structure, tourist, wander

What are the keywords in the following sentence? person design a modern home for a growing family .
design, family, grow, home

What are the keywords in the following sentence? happy little boy exploring nature with magnifying glass at the day time
glass, magnify, nature