What are the keywords in the following sentence? dolphins swimming in front of the bow of a ship at slow speed
bow, dolphin, front, speed, swim

What are the keywords in the following sentence? A cake shaped to look like a sheep.
cake, look, sheep

What are the keywords in the following sentence? the concept of producing different types of pasta made from flour and eggs
egg, flour, pasta, type

What are the keywords in the following sentence? blank framed poster on a wall .
frame, poster, wall