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.

Ex Input:
Global warming has caused and will continue to cause a significant increase in extreme weather events, including hurricanes, and sea levels will eventually rise to the point that massive cities will someday be flooded and uninhabitable.

Ex Output:
agrees


Ex Input:
They are on the verge of passing climate legislation at home and a global carbon accord at the Copenhagen talks.

Ex Output:
neutral


Ex Input:
We are indeed on track to a “ 4C world ” marked by extreme heat waves and life-threatening sea-level rise.

Ex Output:

agrees