What are the keywords in the following sentence? spanish colonial style structure featuring a church or cathedral
church, feature, structure

What are the keywords in the following sentence? the mysterious lights float in the sky above japanese city
float, light, sky

What are the keywords in the following sentence? a stone oven with a fire and some pizza
fire, oven, pizza, stone

What are the keywords in the following sentence? A train is on train tracks, reflecting low sunlight.
sunlight, track, train