Read the passage and find if the passage agrees, disagrees, or has a neutral stance on whether Global warming is caused by human activities. Answer only with keyword (a) agrees - if passage agrees with the target (b) disagrees - if passage disagrees with the target (c) neutral - if the given passage neither agrees nor disagrees with the target. You don't need to use external knowledge in this task, and you have to answer based on the given passage.

Example Input: We see often that the so-called villains of the large scale, often oil companies, are operating both at the local level and at the global level.
Example Output: neutral

Example Input: All that our world leaders need is a little more common sense, in order to avoid the nonsense of seeking a globally-binding treaty to reduce CO2 emissions.
Example Output: disagrees

Example Input: Whatever environmentalists may hope, the Obama White House and congressional Democrats are unlikely to make global warming a top issue in 2013 or 2014.
Example Output:
neutral