OOTB Show Hide is not working on Multifield

I have one dropdown with {URL, Text}

Inside Multifiedl {Text, Title, URL}

If author select URL then {Title, URL} should appear

If author select Text then {Text, Title } should appear

I tried to obtain this scenario using 

I am not getting the result as required. After clicking add button these fields are hidden I have to select dropdown again and again then only it works.