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:  Our findings rather suggest a TCF - 1 - dependent , cell autonomous effect on the acquisition of multiple Ly - 49 receptors .

Output: TCF - 1


Input: Consider Input:  It has been shown in vitro that dissociation of I kappa B alpha from these complexes results in active NF - kappa B .

Output: I kappa B


Input: Consider Input:  The clonality of mature peripheral blood - derived myeloid and lymphoid cells and bone marrow haemopoietic progenitors from 18 females with myelodysplasia ( MDS ) ( five refractory anaemia , RA ; one RA with ringed sideroblasts , RARS ; three chronic myelomonocytic leukaemia , CMML ; four RA with excess of blasts , RAEB ; five RAEB in transformation , RAEB - t ) was studied by X - chromosome inactivation analysis .


Output: X - chromosome