Hide a Repeater element depending on if a value in repeater JSON is null or not

Snippet of my code

Repeater::make('questions')
                ->addable(false)
                ->deletable(false)
                ->reorderable(false)
                ->schema([
                    Textarea::make("question")->autosize()
                    ->dehydrated(false)
                    ->readOnly(),
                    Section::make('Answer')
                    ->schema([
                        TextInput::make('A')
                        ->dehydrated(false)
                        ->hidden()
                        ->readOnly(),

Repeater::make('questions')
                ->addable(false)
                ->deletable(false)
                ->reorderable(false)
                ->schema([
                    Textarea::make("question")->autosize()
                    ->dehydrated(false)
                    ->readOnly(),
                    Section::make('Answer')
                    ->schema([
                        TextInput::make('A')
                        ->dehydrated(false)
                        ->hidden()
                        ->readOnly(),

So basically the JSON for the repeater has "question" "A" "B" "C" "D" If A is null I want the A text input to be hidden for example. How would you do this? It is a form in a Resource

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Hide a Repeater element depending on if a value in repeater JSON is null or not