What are the keywords in the following sentence? movement on road along the coast and the mountains
coast, mountain, road

What are the keywords in the following sentence? smiling mother and daughter showing affection in the park .
affection, daughter, mother

What are the keywords in the following sentence? airplane on the tarmac of airport
airplane, airport, tarmac

What are the keywords in the following sentence? silhouette of an elegant bride surrounded by hearts with a pattern
bride, pattern, silhouette