9203
The activity of the enzymes glutathione reductase and acetylcholine esterase was not affected , nor were proliferation , morphology or vitality of mammalian OLN - 93 cells although exposure of the cells to 100 mg Fe per L increased the cellular iron content substantially .
 Chemical: glutathione; Chemical: acetylcholine; Chemical: Fe; Chemical: iron
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: glutathione, acetylcholine, Fe, iron 
Answer:
 Chemical: glutathione; Chemical: acetylcholine; Chemical: Fe; Chemical: iron