YOU SAID:
The big fat cat sat on my great great great great Aunty’s grandmothers pregnant dog
INTO JAPANESE
大きな太った猫は私の偉大な偉大な偉大な叔母の祖母の妊娠中の犬に座っていました
BACK INTO ENGLISH
A big fat cat sat on my great-great-great-great-aunt grandmother's pregnant dog
INTO JAPANESE
大きな太った猫が私の高々、高々、高叔母の祖母の妊娠中の犬に座っていた
BACK INTO ENGLISH
A big fat cat sat on my high, high, high aunt's grandmother's pregnant dog
INTO JAPANESE
大きな太った猫が、おばさんの祖母の妊娠中の犬の上に座っていた
BACK INTO ENGLISH
A big fat cat sat on my aunt's grandmother's pregnant dog
INTO JAPANESE
叔母の祖母の妊娠中の犬の上に大きな太った猫が座っていた
BACK INTO ENGLISH
A big fat cat sat on my aunt's grandmother's pregnant dog
That didn't even make that much sense in English.