"Logic" Put syllogism into standard form?

Question

For the following argument, i have to translate the argument into standard form catergorical syllogism. ( i may use the operations of obversion, conversion, or contraposition to accomplish this--we are using the Boolean interpretation)

"All ears of corn with white tassels are unripe, but some ears are ripe even though their kernels are not full-sized. Therefore, some ears with full-sized kernels are not ears with white tassels."

CAN YOU PLEASE HELP ME??

Answer 1

^^^ Wrong, you end up with a mood EOO-4 which is not valid