What are the keywords in the following sentence? the richly decorated piers of the bridge were still under construction on its dedication day .
bridge, construction, pier

What are the keywords in the following sentence? a juvenile praying mantis which is still brown in colour and not yet turned green yet
juvenile, mantis, pray

What are the keywords in the following sentence? yachts and fishing boats at the marina at dusk .
boat, marina, yacht

What are the keywords in the following sentence? vet gives shots to the cattle
give, shot, vet