How should you complete the code?

DRAG DROP
You need to validate whether string strJson is a valid JSON string.
You write the following code:

How should you complete the code? To answer, drag the appropriate code segments to the correct targets in the answer area. Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
Select and Place:

Correct Answer:

Explanation/Reference:
serializer = new DataContractJsonSerializer();
var result = serializer.ReadObject<Dictionary<string, object>>(StrJson);