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.

Q: The possibility that a collapse of the West Antarctic ice sheet, believed to be especially vulnerable to a warming ocean, would greatly increase the rate of sea level rise.

A: agrees
****
Q: The global warming of the 1900s is caused by a rise in solar output.

A: disagrees
****
Q: Greenland is not only melting.

A:
neutral
****
