$3.[$Points $20]$ We are given the system summary and human gold standard summary for the

definition summary of spinach below. Answer the following questions.

System Summary:

"Artificial intelligence is revolutionizing industries by improving efficiency, automating

tasks, and enabling data$-$driven decision$-$making."

Reference Summary Sentences:

R$1$: $"$AI is transforming sectors by streamlining operations, automating processes, and

providing actionable insights from data."

R$2$: "The integration of artificial intelligence in industries enhances productivity,

reduces manual effort, and leverages big data analytics."

R$3$: $"$AI technologies are driving innovation by optimizing workflows, reducing human

intervention, and supporting smarter decisions."

a$.[$Points $20]$ Compute skip$-$bigram ROGUE$-2$ score for the above summarized

examples. Please show details of your generated skip$-$bigrams in your answer.