instruction:
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.
question:
An ice-free Arctic Ocean would not freeze again.
answer:
neutral


question:
A warning sign that some scientists worry could mean global warming has passed an ominous tipping point.
answer:
agrees


question:
The world needs to cut carbon emissions in half by 2030, and must eliminate them by 2050 to limit warming to relatively safe levels.
answer:

agrees


