What are the keywords in the following sentence? giant bolts of lightning illuminated the night sky above the skyline late thursday night .
bolt, illuminate, lightning, sky

What are the keywords in the following sentence? my favorite part of our events is having the opportunity to meet students .
event, meet, part

What are the keywords in the following sentence? temperatures are rising by the day across the country .
country, day, rise

What are the keywords in the following sentence? rowers celebrate their gold medal during day .
celebrate, day, medal, rower