Deepstream 4.0 two primary-gie

Hi,
How can I use two primary-gie? each follows different secondary-gie. Is this possible in deepstream 4.0?

Please refer to
[url]https://devtalk.nvidia.com/default/topic/1056118/deepstream-sdk/may-deepstarem-load-multiple-primary-gie-or-use-secondary-gie0-for-origin-source-/post/5372577/#5372577[/url]

Assume we have two models.The first model will only have the primary inference and second model will have both primary and secondary. Second model depends on first model output. Can we do that?