YOU SAID:
Hogs and bats sniffing each other
INTO JAPANESE
豚とコウモリがお互いを嗅ぎ合う
BACK INTO ENGLISH
Pigs and bats sniffing each other
INTO JAPANESE
豚とコウモリがお互いの匂いを嗅ぐ
BACK INTO ENGLISH
Pigs and bats smell each other
INTO JAPANESE
豚とコウモリはお互いの匂いがする
BACK INTO ENGLISH
Pigs and bats smell each other
That didn't even make that much sense in English.