def METHOD_NAME(parent_context):
    ctx = opentelemetry.trace.set_span_in_context(opentelemetry.trace.NonRecordingSpan(parent_context))
    with oteltracer.start_as_current_span("s1", context=ctx):
        with oteltracer.start_as_current_span("s2"):
            time.sleep(0.02)
        with oteltracer.start_as_current_span("s3"):
            time.sleep(0.06)