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:
 Analysis of pseudo VH gene segment recombination products reveals no bias in D gene segment reading frame utilization .

Ex Output:
D gene segment


Ex Input:
 Plasma enteroglucagon was measured before and during three hours after a standard meal in 21 untreated adult patients with suspected coeliac disease who all had villous atrophy of the small intestinal mucosa and malabsorption , and in nine control subjects .

Ex Output:
Plasma enteroglucagon


Ex Input:
 We report on a case of a 43 - old - male with a bronchogenic cyst in the distal esophagus , which was misdiagnosed as a malignant esophageal tumor based on preoperative imaging and high levels of the tumor markers CA 19 - 9 and CA 125 .

Ex Output:

CA 125