YOU SAID:
Tacos live underground with the mole people
INTO JAPANESE
タコスはモル人と地下に住んでいる
BACK INTO ENGLISH
Tacos lives in the basement with the Moles
INTO JAPANESE
タコスはモルズで地下に住んでいます
BACK INTO ENGLISH
Tacos lives in the basement at Mols
INTO JAPANESE
タコスはモルズの地下に住んでいます
BACK INTO ENGLISH
Tacos lives in the basement of Mols
INTO JAPANESE
タコスはモルの地下に住んでいます
BACK INTO ENGLISH
Tacos lives in the basement of moles
INTO JAPANESE
タコスはモルの地下に住んでいる
it is unlikely that this phrase will ever reach equilibrium