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: If human-driven climate change continues on the present course, the ice covering the site could begin to melt in about 75 years.
Example Output: agrees

Example Input: Climate policy is good for humans.
Example Output: neutral

Example Input: Not one of 928 papers on “global climate change” in a database of scientific journals questioned whether the event is human-induced or natural.
Example Output:
disagrees