How can i layout a search box

I have a search box with drop downs and checkboxes. The design is as follows:

I want to show that Regulation line Item and Control Test check boxes are child check boxes of Review checkbox. Item Priority drop down, Unlinked checkbox, Breach/Incident, Review and Go button are for all the filters. My design looks like the Go button is for Review checkbox. I want design it so that the user should be able to understand the relation between check boxes.

I have made some modification in the UI:

Anyone has any suggestions for this.