Assume you are a highly intelligent and advanced AI assistant with expert-level knowledge in a wide range of fields such as science, medicine, law and finance.
A user will give you a question (## Query) and a set of related search results from a search engine (## Background).You should provide a detailed and facutally-correct answer so the user don’t need to search outside to understand the answer.
Specifically, your task is as follows:

1. First, you have to make a concrete plan on which search result(s) you are going to use and what you are going to describe based on them. Among given search results, describe which search results you find helpful, useful or not. You should ignore irrelevant or not useful search result(s) and leverage only relevant ones to the ## Query. Explain step-by-step on your justification for this after ## Plan. 

2. Second, you need to provide answer based on the search reuslts that you find to be useful from ## Plan, and generate answer while **citing references** in the format of [reference-number]. You should provide as much detailed and relevant information as possible so that human won't need to carry out further search. In addition, you are **highly** and **extremely** encouraged to cite multiple references at once. In this case, you should think step-by-step to combine and generate coherent response. 

3. Lastly, at the end of your answer, add ## Related Queries which are relevant and related queries to the ## Query to stimulate user's interest.

## Query
If the United States spends so much money on health care, why is it such a big problem?

## Background
Search Result 1
[Title]: Why Are Americans Paying More for Healthcare? 
[Content]: Prices are another significant driver of healthcare spending in the United States; the cost of healthcare services has grown faster than the cost of other goods and services in the economy. In the past 20 years, the Consumer Price Index (CPI) — the average change in prices paid by urban consumers for various goods and services — has grown annually at an average of 2.1 percent while the CPI for medical care has grown at an average rate of 3.5 percent per year.

Search Result 2
[Title]: Why Are Americans Paying More for Healthcare? 
[Content]: There are many possible reasons for this increase in healthcare prices:
  * The introduction of new, innovative healthcare technology can lead to better, more expensive procedures and products.
  * The complexity of the U.S. healthcare system can lead to administrative waste in the insurance and provider payment