YOU SAID:

some undercooked chicken caused several guests to get sick.

INTO JAPANESE

調理が不十分な鶏肉の中には、何人かのゲストが病気になったものもありました。

BACK INTO ENGLISH

Some undercooked chicken was sick for some guests.

INTO JAPANESE

一部のゲストにとって、調理が不十分な鶏肉は病気でした。

BACK INTO ENGLISH

For some guests, poorly cooked chicken was ill.

INTO JAPANESE

一部のゲストにとって、調理が不十分な鶏肉は病気でした。

BACK INTO ENGLISH

For some guests, poorly cooked chicken was ill.