Statement:
All scarf are stole
Only a few stole are muffler
No muffler are shawl
Only Napkin is shawl

Some Napkin are muffler: As there is no relation between Shawl and Napkin. So, conclusion I is false.
Some scarf being muffler is a possibility: All scarf are stole. Only a few stole are muffler. Thus, there is a possibility of some scarf being muffler. So, conclusion II is true.
No stole is shawl: As there is no direct relation between stole and shawl. So, conclusion III is false.
Hence, only conclusion II follows.