Detailed Instructions: In this task, you will be presented with a context from an academic paper and you have to write an answerable question based on the context. Your questions can be extractive, abstractive, or yes-no questions.
Q: Intuitively, under-translated input words should contribute little to the NMT outputs, yielding much smaller word importance. By exploiting the word importance calculated by Attribution method, we can identify the under-translation errors automatically without the involvement of human interpreters.
A:
How do they measure which words are under-translated by NMT models?