Story: We are building a smart travel app. A user opens the app and says: “Find me a cheap flight to Tokyo for next Friday.”   Question: Which of the following best represents the Intent and the extracted Slots for this user’s sentence?(Select the best intent & extracted slots for this user’s sentence)

Which open-domain QA method augments a pretrained language model with a differentiable retrieval component and jointly learns retrieval and answering? (Select the open-domain QA method the best match this description)

Explain the difference between extractive and abstractive summarization. State one primary advantage and one primary disadvantage for each approach.(One or two sentences should be sufficient for the explaining the difference, then one advantage and one disadvantage per method.)

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Exam 4

Two common types of distillation towers are packed and tray type towers.

Heavy ends are the materials in a distillation column that boil at the highest  temperatures and exit the bottom of the tower.

The entry point or tray where feed enters the tower.

The part of the distillation column located below the feed line is called  

A report from 2026 claimed 22% of Americans over the age of 5 speak more than one language. It is believed that the actual percentage is lower than this. In a random sample of 244 Americans over the age of 5, 49 spoke more than one language. Determine the value of test statistic and p-value associate with this test. (Round both to four decimal places.) test statistic = [z] p-value = [p]