YOU SAID:
wheres my waterbottle mate
INTO JAPANESE
私のウォーターボトルメイトがいる
BACK INTO ENGLISH
I have a water bottle mate.
INTO JAPANESE
私は水筒の仲間がいます。
BACK INTO ENGLISH
I have a companion in a water bottle.
INTO JAPANESE
水筒の中に仲間がいる。
BACK INTO ENGLISH
There are people in the water bottle.
INTO JAPANESE
水筒の中に人がいる。
BACK INTO ENGLISH
There are people in the water bottle.
That didn't even make that much sense in English.