What are the keywords in the following sentence? woman lying in a field of wheat
field, lie, wheat

What are the keywords in the following sentence? tourist risk their lives approaching to the very edge of tourist attraction
approach, attraction, tourist

What are the keywords in the following sentence? Several suffering bulls are shown as the fight in the ring with matadors.
bull, matador, ring

What are the keywords in the following sentence? atomic number and atomic mass can be found in the periodic table of the elements .
find, number, table