How do I ask a first multiple choice question and then filter the results of the second one based on the first answer?

Dear team ,

I,m a newbie on ODK . Is there anyone with an idea of how I can insert a look up table on my survey form such that entry of a key while collecting data will look up the key and all the variables associated with the key on the table and filter the next question as appropriate,


Have you got a change go through these resources and

Yeap have gone through all this but still can't get my way out.

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