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:  In transfection studies , either constitutively active Vav or Rac could complement constitutively active calcineurin to activate NF - AT - dependent transcription .
Example Output: NF - AT

Example Input:  Expression of oestrogen and progesterone receptors by mast cells alone , but not lymphocytes , macrophages or other immune cells in human upper airways .
Example Output: progesterone receptors

Example Input:  The thermal stability of GR and thermal activation of cytosolic receptors in both patients were found to be normal .
Example Output:
cytosolic receptors