What are the keywords in the following sentence? this feather looks like a cloud .
cloud, feather, look

What are the keywords in the following sentence? the north facing facade with fewer windows to save energy .
energy, save, window

What are the keywords in the following sentence? choose the right bridal jewellery according to your skin tone and face shape
choose, face, shape

What are the keywords in the following sentence? monument to a century of flight in a city .
century, city, monument