In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

Ex Input:
The aromatic hydrocarbon receptor ( AHR ) is a ligand - activated transcription factor that regulates the expression of several drug - metabolizing enzymes and has been implicated in immunosuppression , teratogenesis , cell - specific hyperplasia , and certain types of malignancies and toxicities .

Ex Output:
aromatic hydrocarbon receptor

Ex Input:
Mad3 and Mad4 : novel Max - interacting transcriptional repressors that suppress c - myc dependent transformation and are expressed during neural and epidermal differentiation .

Ex Output:
c - myc

Ex Input:
A higher percentage of children with cerebral malaria ( 40 per cent ) than with non - cerebral malaria ( 29 per cent ) or controls ( 20 per cent ) also had either serum ferritin < 100 micrograms / l and inflammation or sTfR > 7 . 3 mg / l or both .

Ex Output:
serum ferritin