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.

Example Input: The RsmA - mutant , like its parent , produces N - ( 3 - oxohexanoyl ) - L - homoserine lactone ( HSL ) , a starvation / cell density - sensing signal required for extracellular enzyme production .
Example Output: RsmA - mutant

Example Input: Promoter elements and transcriptional control of the mouse acetylcholinesterase gene .
Example Output: mouse acetylcholinesterase gene

Example Input: Four of these fibroblast clones were infected with a retrovirus containing the cDNA encoding myoD and a puromycin selection marker .
Example Output:
cDNA encoding myoD