14550
The present study was investigated to evaluate the uptake and accumulation of selenium ( Se ) by the stem cuttings of Portulaca oleracea L . grown in alfisol amended with various concentrations of Se .
 Chemical: selenium; Chemical: Se
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: selenium, Se 
Answer:
 Chemical: selenium; Chemical: Se