According to the passage, how does Bob feel about criticisms that artificial intelligence and machine learning should not play a role in palliative care?

A) He is skeptical, but he agrees that algorithms should not be used to study data until labs have completed additional ethics research.
B) He agrees with them, and feels that artificial intelligence should only be used when clinicians are not available for in-person conversations.
C) He disagrees with them because he believes that artificial intelligence and machine learning could prove to be a useful and essential tool.
D) He is conflicted because he has ethical concerns about machine learning but also thinks it will ultimately lead to a cure for many deadly diseases.