In this task, you will be presented with a context from an academic paper and a question separated with a
. You have to answer the question based on the context.

However, the coherence of the topics produced by LDA is poorer than expected.

To address this lack of coherence, we applied non-negative matrix factorization (NMF).
Question: How are prominent topics idenified in Dabiq and Rumiyah?
LDA non-negative matrix factorization (NMF)