A substitute is something you replace and use something different in it's place.
Complement is something added to enhance the original
Answer:
coaching Joe rather than helping him
Explanation:
Coaching is a process where a more experienced person teaches a learner achieve a goal by giving guidance and training.
Helping is when a person assists another to do a job that is their responsibility.
In this scenario Sharon Baricivic has provided Joe with guidance by offering advice, encouragement, and instructions. So he is coaching him.
However, she has been careful to let Joe do all of the actual work he is assigned, even if he struggles a bit.
So she is not helping Joe do his work, but rather letting him do it even if it means him struggling a bit.
Answer: The Answer is HMO
Mary's role is that of a knowledge engineer.
A knowledge engineer is tasked with integrating certain knowledge into computer (in this case expert) systems, with the aim to solve very difficult problems that otherwise people would not be able to solve on their own.
