27489
These results support the hypothesis that apoplastic amino acids acting through heteromeric GLR3 . 2 / GLR3 . 4 channels affect lateral root development via Ca ( 2 + ) signaling in the phloem .
 Chemical: amino acids; Chemical: Ca ( 2 + )
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: amino acids, Ca ( 2 + ) 
Answer:
 Chemical: amino acids; Chemical: Ca ( 2 + )