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We attempted to determine whether NF(P) , a nuclear factor specific for the P sequence , is related to NF-kappa B and nuclear factor for activated T cell ( NF-AT ).
 P sequence, NF(P), NF-kappa B, nuclear factor for activated T cell, NF-AT
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 P sequence, NF(P), NF-kappa B, nuclear factor for activated T cell, NF-AT