I think it is tha will of god
The correct answer is - <span>Running takes discipline, and many people enjoy running.
This is faulty coordination because the first sentence is somewhat the opposite of the second one - usually, when something demands a lot of discipline and hard work, people are not going to enjoy doing that. This is why the coordination between these two sentences is wrong - it should say something like 'however, many people enjoy running,' instead of 'and.'
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Answer:
she calls a doctor because she is worried about him