instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Which group had UK top ten hits in 1987 with 'Sweet Little Mystery' and 'Angel Eyes'?
answer:
angel eyes

question:
On which holiday island are the peaks of 'Ruivo' and 'Arieiro', and the airport of 'Santa Cruz'?
answer:
pico do arieiro

question:
Octavian and Antony defeated Brutus and Cassius in 42BC near which city in East Macedonia?
answer:
marcus junius brutus the younger