Before revision:  However, we argue that this evaluation can potentially underestimate the actual performance of runs based on text-generation approaches (e. g. our run). This is due to the fact that although some predictions of such runs answer the slot questions well, they may not be an exact string match for the gold standard answers.
After revision:  However, we argue that this evaluation can potentially underestimate the actual performance of runs based on text-generation . Although some such runs may answer the slot questions well, they may not be an exact string match for the gold standard answers.