Filter answers of a predecessor question

You can do this using a choice_filter as described in the XLSForm docs for cascading selects.
filter_example.xlsx (9.8 KB)

Welcome to the ODK forum, @Starling_Sanchez1! We're glad you're here. When you get a chance, please introduce yourself on this forum thread. I'd also encourage you to add a picture as your avatar because it helps build community!