10485
Phytochrome A ( PHYA ) is essential for the far - red ( FR ) high - irradiance responses ( HIRs ) , which are of particular ecological relevance as they enable plants to establish under shade conditions .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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