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 global warming of the 1900s is caused by a rise in solar output.

A: disagrees
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Q: Obama Obama plans to suspend new permits for offshore drilling in Arctic waters at least through the rest of this year.

A: neutral
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Q: The real evidence of change would come when investors started exiting carbon-heavy companies, especially those with no transition plan.

A:
neutral
****