Generate a topic word for the given sentence. A topic word is usually the name of a person, place, animal, concept or object the sentence is focusing on.

Q: "polythene pam" is a song written by john lennon, credited to lennon/mccartney, and performed by the beatles on their album "abbey road".

A: polythene pam
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Q: the african golden cat ("profelis aurata") is a medium-sized cat.

A: african golden cat
****
Q: brian doyle-murray (born brian murray; october 31, 1945) is an american comedian, screenwriter, actor and voice actor.

A:
brian doyle-murray
****