The participants are asked to score each summary on three indicators: relevance, conciseness and readability on a 1 to 5 scale, and rank the summary pair (tie allowed). We observe that SPNet reaches the highest score in both ROUGE and CIC 
 Question: What automatic and human evaluation metrics are used to compare SPNet to its counterparts?
ROUGE and CIC relevance, conciseness and readability on a 1 to 5 scale, and rank the summary pair