What Gets Echoed? Understanding the “Pointers” in Explanations of Persuasive Arguments
Table 5: Performance on five non-function part-of-speech tags (sorted by performance within content words). As a comparison, we also show the performance of the random baseline on content words, which is relatively stable across part-of-speech tags.
['[EMPTY]', 'content', 'all', 'random']
Nouns are the most reliably predicted part-of-speech tag within content words Next, we break down the performance by part-of-speech tags. We focus on the part-of-speech tags that are semantically important, namely, nouns, proper nouns, verbs, adverbs, and adjectives.