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.
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Question: the vektor r4 is a south african assault rifle.

Answer: vektor r4


Question: james newton howard (born june 9, 1951) is an american composer.

Answer: james newton howard


Question: love's labour's lost is a comedy play by william shakespeare which was written between 1588 and 1597.

Answer:
love's labour's lost