1603
Since AP - 1 and NF - kappa B are key elements in controlling interleukin - 8 ( IL - 8 ) transcription , human fibroblasts were treated with alpha - MSH and IL - 1 beta for 24 hours , and cytokine levels in the supernatants were measured by ELISA .
 Anatomy: fibroblasts; Anatomy: supernatants
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities: fibroblasts, supernatants 
Answer:
 Anatomy: fibroblasts; Anatomy: supernatants