je mi to …. ponecháno na vůli

Význam: to záleží na mně

Gramatika: Past Passive Participle neut. sg. short form of ponechat pf. (impf. nechat); the subject of “je mi ponecháno” is “to” that reports the content of the preceding text (“(the issue of) which older person (the narrator should offer the seat) to”; vůle f.

anglicky: it depends on me (my will)