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+{
+    "content": "The text discusses phosphonic acid and sulfonic acid as functional groups used in hydrophilic polymers, where phosphonic acid groups enhance hydrophilicity by being amphoteric and exhibiting a high degree of auto-dissociation, leading to a hydrogen-bonding network that enables proton conductivity independent of humidity and temperature.The text does not provide information about the monomer structures or the functional groups that enhance the hydrophilicity of the polymers."
+}