This is an example of a mutation in the promoter of PIGM which disrupts SP1 binding.
You can either leave the choice of transcription factors as it is ('Known TFBSs') or manually choose SP1.
After you are finished, click on 'Analyse'.
The VCF file TinyExample.vcf only contains three lines to illustrate the file format:
3 190122694 . G A 116 . . GT:DP 0/1:154 1 984171 . CAG C 116 . . GT:DP 0/1:154 21 33036170 . A G 116 . . GT:DP 0/1:154