What are the keywords in the following sentence? armed force search the vicinity of their vehicle for cause of death
force, search, vehicle

What are the keywords in the following sentence? a man carrying baskets of freshly harvested vegetables in from the garden
basket, carry, harvest

What are the keywords in the following sentence? ruins in the city in the coast
city, coast, ruin

What are the keywords in the following sentence? branches of electrified railway for the movement of trains with electric traction
electrify, railway, train