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: Carbon dioxide contributes to warming.
Example Output: agrees

Example Input: We need to more or less immediately stop using or drastically curtail fossil fuels.
Example Output: agrees

Example Input: Europe’s financial losses related to flooding, which now total about 4.9 billion euros a year, could increase almost 380% to 23.5 billion euros by 2050.
Example Output:
neutral