1545
BACKGROUND : More than 3 decades after Jones and Smith ( 1973 ) reported on the devastation caused by alcohol exposure on fetal development , the rates of heavy drinking during pregnancy remain relatively unchanged .
 Chemical: alcohol
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: alcohol