What are the keywords in the following sentence? a guide to growing long hair
grow, guide, hair

What are the keywords in the following sentence? to find the square root of a number with a calculator
find, number, root

What are the keywords in the following sentence? add beauty to your bathroom with this shower curtain .
add, bathroom, curtain

What are the keywords in the following sentence? text with all words but the most often used words in the language excised .
language, text, word