YOU SAID:
olivia and addison are eating lunch
INTO JAPANESE
オリビアとアディソンは昼食を食べています
BACK INTO ENGLISH
Olivia and Addison have lunch
INTO JAPANESE
オリビアとアディソンは昼食を食べます
BACK INTO ENGLISH
Olivia and Addison will eat lunch
INTO JAPANESE
オリビアとアディソンは昼食を食べる
BACK INTO ENGLISH
Olivia and Addison have lunch
INTO JAPANESE
オリビアとアディソンは昼食を食べます
BACK INTO ENGLISH
Olivia and Addison will eat lunch
INTO JAPANESE
オリビアとアディソンは昼食を食べる
it is unlikely that this phrase will ever reach equilibrium