23492
The tin oxidation state and the materials electronic structure are evaluated using M o ssbauer spectroscopy and valence band X - ray photoelectron spectroscopy respectively .
 Chemical: tin
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: tin 
Answer:
 Chemical: tin