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 global warming debate is over.
Example Output: disagrees

Example Input: Australia could become so hot and dry that its residents could join the ranks of the world's climate refugees.
Example Output: agrees

Example Input: The world needs to cut carbon emissions in half by 2030, and must eliminate them by 2050 to limit warming to relatively safe levels.
Example Output:
agrees