What are the keywords in the following sentence? middle spotted woodpecker perching on a branch in forest
forest, spot, woodpecker

What are the keywords in the following sentence? sports team made a visit to visit with members of the military and their families
member, military, visit

What are the keywords in the following sentence? flying drones over the city in the winter
city, drone, fly

What are the keywords in the following sentence? smoke from a burning building fills the sky in the outskirts .
building, burn, outskirt