What-if I ask you to explain:Explaining the effects of perturbations in procedural text
Table 4: Quartet improves accuracy on the QA (end task) by 7% points.
['[EMPTY]', 'QA accuracy']
We compare against the existing SOTA on WIQA no-explanation task. The major difference between bert-no-expl and Quartet is that bert-no-expl solves only the QA task, whereas Quartet solves explanations, and the answer to the QA task is derived from the explanation. Multi-tasking (i.e., explaining the answer) provides the gains to Quartet.