YOU SAID:

Tomorrow we are going for a lunch, and my colleague Pedro will pay for a pizza, because he got it free last time around.

INTO JAPANESE

明日は昼食を取りに行きますが、私の同僚のPedroがピザの代金を支払います。

BACK INTO ENGLISH

Tomorrow I will go for lunch, but my colleague Pedro will pay for the pizza.

INTO JAPANESE

明日は昼食に行きますが、同僚のペドロはピザの代金を払います。

BACK INTO ENGLISH

I will have lunch tomorrow, but my colleague Pedro will pay for the pizza.

INTO JAPANESE

私は明日昼食をとるつもりですが、私の同僚のペドロはピザの代金を払います。

BACK INTO ENGLISH

I will have lunch tomorrow, but my colleague Pedro will pay for the pizza.