code: def score(sim, fwd_mean, bwd_mean, margin):
      return margin(sim, (fwd_mean + bwd_mean) / 2)
  
file_path: fairseq/examples/criss/mining/mine.py
imports: import argparse
  import glob
  from subprocess import check_call
  import numpy
label_desc: Use image node_id 5 for calling a global function with example usage: score(sim, fwd_mean, bwd_mean, margin) and returns: margin