12974
We concluded that the colonic ulcer and the sigmoidovesical fistula had been caused by the administration of calcium polystyrene sulfonate and sorbitol .
 colonic ulcer, calcium polystyrene sulfonate; colonic ulcer, sorbitol; sigmoidovesical fistula, calcium polystyrene sulfonate; sigmoidovesical fistula, sorbitol
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 colonic ulcer, calcium polystyrene sulfonate; colonic ulcer, sorbitol; sigmoidovesical fistula, calcium polystyrene sulfonate; sigmoidovesical fistula, sorbitol