What are the keywords in the following sentence? family and friends of the graduates fill sports facility on wednesday afternoon .
family, fill, graduate

What are the keywords in the following sentence? chat with members of staff on the pitch after the final whistle
member, pitch, staff

What are the keywords in the following sentence? young woman lying with a football in front of her on a football pitch
football, lie, pitch

What are the keywords in the following sentence? politician rallies the faithful during his speech to the federal convention .
convention, politician, speech