Complications is the correct answer.
Explanation:
relative clause
it modifies noun phrase by some grammatical tools
example
my friend who is coming from America is coming to the dinner
here who is used to indicate the noun phrase
subject verb agreement
A subject and a verb must agree, even when other words or phrases come between them.
example
The flock of geese is flying south for the winter.
The subject is flock, so the verb should be is flying.
Answer:
Question one is answered by the text highlighted in the purple-ish color
Question two is answered by the text highlighted in the green-ish color
Question three is answered by the text highlighted in the blue color
Explanation:
Question one is answered by the purple-ish highlight because it has your subject and your action.
Question two is answered by the green-ish color because the text has where this info is coming from and it says "According to..." Which gives you the clue that this is where it is coming from.
Question three is answered by the blue color becuase it has your examples and dit says "such as..." which is also a clue that is examples.
