YOU SAID:
I want to go to the bathroom but I ate a pizza.
INTO JAPANESE
トイレに行きたいのですがピザを食べました。
BACK INTO ENGLISH
I want to go to the bathroom but I ate pizza.
INTO JAPANESE
トイレに行きたいけどピザを食べました。
BACK INTO ENGLISH
I want to go to the bathroom but I ate pizza.
That didn't even make that much sense in English.