What are the keywords in the following sentence? burning candle in a church
burn, candle, church

What are the keywords in the following sentence? foam flows from a glass full of champagne and strawberries
champagne, glass, strawberry

What are the keywords in the following sentence? fireworks explode next to the sculpture atop the brandenburg gate during new year celebrations
explode, firework, gate

What are the keywords in the following sentence? wings of the butterfly has black spots and an orange rim
butterfly, spot, wing