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: The dangers of a warming planet are being wildly exaggerated and question the impact that fossil fuels have had on climate change.
Example Output: disagrees

Example Input: Stable sea levels can be rendered to look like they are nonetheless rising at an accelerated pace.
Example Output: disagrees

Example Input: Global surface temperatures have not increased for the past 15 years.
Example Output:
disagrees