code: def p_unit_range_minute_ago(p):
      "unit_range : NUMBER MINUTE AGO"
      shift = p[1]
      p[0] = lambda ref: _minute_range(ref, -shift)
  
imports: from datetime import datetime, date, time, timedelta
  from guild import _yacc
  from .None import trlex
label_desc: Use image node_id 15 for calling a global function with example usage: p_unit_range_minute_ago(p) without return types