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:  Epstein - barr virus immediate - early protein BZLF1 is SUMO - 1 modified and disrupts promyelocytic leukemia bodies .
Example Output: SUMO - 1

Example Input:  Activation of signal transduction and apoptosis in healthy lymphomonocytes exposed to bystander HIV - 1 - infected cells .
Example Output: HIV - 1

Example Input:  Correlation of steroid receptors with histologic differentiation in mammary carcinoma .
Example Output:
steroid receptors