<prompt> Pfupisa nyaya yacho: Akaberekwa ari mukomana muduku ane utano, aine upenyu hwake hwose huri mberi kwake. Asi pazera regore rimwe chete, ramangwana rakajeka raZach Parnaby rakanga risina chokwadi apo vanachiremba vakaona mwana muduku wacho aine chirwere chinoremadza chemavara okugara nhaka. Pashure chaipo peKrisimasi vabereki vaZach Lindsey naBen Parnaby vakapiwa mashoko anosuruvarisa okuti mwanakomana wavo ane hosha isingawanzowaniki, iyo yakanga yapfuudzwa mumajini avo vasingazivi. Mamiriro acho ezvinhu, anozivikanwa seKrabbe Luekodystrophy, ayo anokanganisa munhu mumwe chete pavanhu 100 000 munyika yose, achaita kuti Zach arasikirwe zvishoma nezvishoma nokugona kufamba, kutaura, kuona kana kunzwa. Vanachiremba vake vakanyevera vabereki vake, kuti haasati achizorarama kupfuura zuva rake rokuzvarwa rechina. Apo akanga achingova nemwedzi 17 chete, vanachiremba vakaona kuti Zach Parnaby, ari pamufananidzo naamai vake Lindsey, ane chirwere cheKrabbes chisingawanzowaniki, icho chichaita kuti mwana muduku zvishoma nezvishoma arasikirwe nemano okufamba nokutaura. Vanachiremba vakanyevera vabereki vaZach, Lindsey naBen, kuti mwanakomana wavo haasati achizosvika makore mana okuberekwa. Vakatsunga kuti achashandisa zvakanaka nguva yasara, vaviri vacho vakanyora zvavanoda kuita. Pamashoko gumi nematanhatu aiva nechido chokugara mumotokari yomoto ndokusangana nomunhu wemifananidzo inonyorwa Fireman Sam. Pamwe chete nevatambi vemakatuni uye zvimwe zvinyorwa zvinosanganisira kushambira mugungwa uye kutora rwendo rwechikepe, mhuri iri kutarisira kubatsira kuwana mushonga wechirwere chepfungwa. Zvino, varoorani vacho vakapika kuti vachaita kuti vanhu vazive nezvokurwara kwomwanakomana wavo, panguva imwe cheteyo vachiumba rondedzero yezvinhu izvo mwana ane mwedzi 20 anofanira kuona nokuita munguva yaasara nayo. Kusvika pari zvino, Zach akatosangana nomunhu wake waanofarira wemakatuni, Fireman Sam, uye akatasva motokari yaThomas The Tank Engine. Akafarikanya rwendo rwechikepe, akapiwa mwana wake wemhuka uye akasangana nevamwe veboka reNewcastle United. Asi vabereki vake, vose vari vaviri vane makore 29, vanobva kuSpennymoor muCounty Durham, vakatsunga kuti achazadzika ndaza yacho. Zvichiri kuuya kushambira mugungwa, kuchovha bhasikoro, kusangana nebheya chairo pamwe chete naMickey Mouse, uye kunzwa mapopoma achimushambidza musoro. Vabereki vaZach, Lindsey naBen Parnaby vane...  <response>: Zach Parnaby akaonekwa aine chirwere chemajini, chirwere cheKrabbe. Vanachiremba vanonyevera kuti mwana ane mwedzi 20 haasati achizosvika makore mana okuberekwa. Chirwere ichi, chinoitika kumunhu mumwe chete pavanhu 100 000 voga voga, chinoita kuti varwere vapere zvishoma nezvishoma uye varege kugona kufamba, kutaura, kuona uye kunzwa. Vabereki vake Lindsey naBen Parnaby vakanyora rondedzero yezvinhu zvaanoda kuita asati afa. Akasangana naFireman Sam, akasangana nomunhu akakurumbira uye akafarikanya rwendo rwechikepe. Rondedzero yacho inobatanidzawo kushambira mugungwa nokuwana mushonga wechirwere chake. 