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: Glacier melt in Iceland will cause more volcanoes everywhere.
Example Output: agrees

Example Input: The science is uncertain and the costs of reining in carbon dioxide and other emissions will be too high.
Example Output: disagrees

Example Input: Expansion of high carbon projects such as the proposed Keystone XL tar sands pipeline will undermine the good work being done in local communities across the country to fight climate change and reduce our dependence on oil.
Example Output:
agrees