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:
 We have produced the Ure2 protein to high yield in Escherichia coli from a synthetic gene .

Ex Output:
Ure2 protein


Ex Input:
 We have thus cloned two yeast homologs of mammalian p220 .

Ex Output:
mammalian p220


Ex Input:
 The activity of platelet factor 4 in plasma of healthy and high risk newborns .

Ex Output:

platelet factor 4