code: def _(a_interval, b_u):
      if all(isinstance(s, (Interval, FiniteSet)) for s in b_u.args):
          intervals = [s for s in b_u.args if isinstance(s, Interval)]
          if all(
              fuzzy_bool(a_interval.start < s.start) for s in intervals
          ):
              return False
          if all(fuzzy_bool(a_interval.end > s.end) for s in intervals):
              return False
          if a_interval.measure.is_nonzero:
              no_overlap = lambda s1, s2: fuzzy_or(
                  [
                      fuzzy_bool(s1.end <= s2.start),
                      fuzzy_bool(s1.start >= s2.end),
                  ]
              )
              if all(no_overlap(s, a_interval) for s in intervals):
                  return False
  
imports: from sympy.core.singleton import S
  from sympy.core.symbol import Symbol
  from sympy.core.logic import fuzzy_and, fuzzy_bool, fuzzy_not, fuzzy_or
  from sympy.core.relational import Eq
  from sympy.sets.sets import FiniteSet, Interval, Set, Union, ProductSet
  from sympy.sets.fancysets import Complexes, Reals, Range, Rationals
  from sympy.multipledispatch import Dispatcher
label_desc: Use image node_id 4 for calling a global function with example usage: _(a_interval, b_u) and returns: False, False, False