DROP: A Reading Comprehension Benchmark Requiring Discrete Reasoning Over Paragraphs
Table 3: Distribution of answer types in training set, according to an automatic named entity recognition.
['[BOLD] Answer Type', '[BOLD] Percent', '[BOLD] Example']
, we annotate the set of spans in the passage that are necessary for answering the 350 questions mentioned above. We find that on an average 2.18 spans need to be considered to answer a question and the average distance between these spans is 26 words, with 20% of samples needing at least 3 spans (see appendix for examples). We find that a majority of the answers are numerical values and proper nouns.