A: at present, human beings do not have a high level of understanding of geoscience, and on the whole, they cannot fully understand the mechanism of earthquakes from gestation to occurrence and the law of distribution of the time and space 
so far, human beings have not been able to predict earthquakes. B: I don't agree with you. According to reports of the authoritative media , China has established an ICL earthquake early warning system. Since its establishment, the system has successfully warned dozens of destructive earthquakes without misreporting.
The refutation is weak and does not agree with the other party on the key concepts of the refutation.