10109
Potassium ions are non - essential activators of several aldehyde dehydrogenases ( ALDHs ) , whereas a few others require the cation for activity .
 Chemical: Potassium; Chemical: aldehyde
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Potassium; Chemical: aldehyde