What are the keywords in the following sentence? vegetable crops in a field
crop, field, vegetable

What are the keywords in the following sentence? A pizza with tomato sauce, broccoli and cheese.
broccoli, cheese, sauce

What are the keywords in the following sentence? laying down flowers fans put flowers underneath the statue outside stadium
fan, flower, lay, statue

What are the keywords in the following sentence? An athlete is skiing a slalom course and they are weaving back and forth to go around the flags.
course, flag, ski, weave