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 Q]: A group whose journey is meant to highlight the effects of global warming is trapped by a substance that is supposed to be melting.
[EX A]: disagrees

[EX Q]: Climate alarmists’ve got it wrong on global warming.
[EX A]: disagrees

[EX Q]: Mr. Wall is exaggerating the impact of carbon taxes on investment decisions.
[EX A]:
disagrees