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: There is low confidence in attribution of drought on a global scale to human influence on climate.
Example Output: disagrees

Example Input: Recent hurricane activity had not been made more severe by global warming.
Example Output: disagrees

Example Input: Global warming is a Chinese hoax.
Example Output:
disagrees