You will be given a definition of a task first, then some input of the task.
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.

The NF1 family members and HNF4 interacted with overlapping sequences of the L - II element , wherein the 5 ' half - site was more critical for NF1 binding , and the 3 ' site was more important for HNF4 binding .
Output:
NF1 family