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: According to a NASA study in 2015, the land ice is actually growing in Antarctica.
Example Output: neutral

Example Input: Alarmists about global warming are trying to gain more power over the economy and our lives.
Example Output: disagrees

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