YOU SAID:
grandma and great- grand-pop are drinking coke
INTO JAPANESE
おばあちゃんとおばあちゃんがコーラを飲んでいます
BACK INTO ENGLISH
Grandma and grandma are drinking cola
INTO JAPANESE
おばあちゃんとおばあちゃんはコーラを飲んでいます
BACK INTO ENGLISH
Grandma and grandma are drinking cola
You've done this before, haven't you.