What are the keywords in the following sentence? the new retaining wall has begun installation .
installation, retain, wall

What are the keywords in the following sentence? coins falling in a table .
coin, fall, table

What are the keywords in the following sentence? A shelf in a refrigerator that includes water, beer and soda.
beer, shelf, soda, water

What are the keywords in the following sentence? the home has bedrooms and bathrooms despite the couple not having had any children
bathroom, couple, home