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.

Input: Consider Input:  In addition a comparative analysis of the hemopoietic stem cell and precursor compartment resulting from the two Ikaros mutations reveals a profound yet not absolute requirement for Ikaros in the production and differentiation of these populations .

Output: Ikaros mutations


Input: Consider Input:  Together these data indicate that IFN - alpha can facilitate activation of Th1 - reactive cells in the gut and drive immunopathology .

Output: IFN - alpha


Input: Consider Input:  No IL - 6 gene expression was observed .


Output: IL - 6