11728
Based on the lack of any dose - related or biologically relevant effects on fertility , reproduction , development , and overall health of rats gavaged with PEG - PVA grafted copolymer and their progeny , the no - observed - adverse effect level ( NOAEL ) was determined to be the highest dose tested of 1000mg / kg bw / day .
 Chemical: PEG - PVA
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: PEG - PVA 
Answer:
 Chemical: PEG - PVA