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A patient who received tocolysis with nifedipine developed neuromuscular blockade after 500 mg of magnesium sulfate was administered .
 Chemical: nifedipine; Disease: neuromuscular blockade; Chemical: magnesium sulfate
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: nifedipine, neuromuscular blockade, magnesium sulfate 
Answer:
 Chemical: nifedipine; Disease: neuromuscular blockade; Chemical: magnesium sulfate