Base on the question where as asking to complete the passage and base on my research and further investigation, One of the way to develop a main idea for the advertisement is to conduct product research. I hope you are satisfied with my answer and feel free to ask for more if you have question and further clarification
The first one I'm pretty sure that's right'
Answer:
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Explanation:
I would go with default. Dictionary and library do not really make sense in this circumstance. Default suggests a pre-selected option chosen by the database, which makes the most sense in this situation.
