This has led situations where a film has two or more co-leads, and one of these is submitted in a supporting category to avoid the two leads competing against each other, and to increase the film's chances of winning.
ðɪs hɐz lˈɛd sˌɪtʃuːˈeɪʃənz wˌɛɹ ɐ fˈɪlm hɐz tˈuː ɔːɹ mˈoːɹ kˈoʊlˈiːdz, ænd wˈʌn ʌv ðiːz ɪz səbmˈɪɾᵻd ɪn ɐ səpˈoːɹɾɪŋ kˈæɾɪɡɚɹi tʊ ɐvˈɔɪd ðə tˈuː lˈiːdz kəmpˈiːɾɪŋ ɐɡˈɛnst ˈiːtʃ ˈʌðɚ, ænd tʊ ɪŋkɹˈiːs ðə fˈɪlmz tʃˈænsᵻz ʌv wˈɪnɪŋ.