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:  A significant difference in the distribution of antibodies to thyroglobulin and thyroid peroxidase was found in subgroup 2 .
Example Output: thyroid peroxidase

Example Input:  Both genes ARO3 and ARO4 are strongly regulated under the general control regulatory system .
Example Output: genes ARO3

Example Input:  3 - 5 - fold increases in EGF receptor but not p185 ( neu ) tyrosine phosphorylation occur following Gi - coupled receptor stimulation .
Example Output:
EGF receptor