Verbs have traditionally been defined as words that show action or state of being. Verbs can also sometimes be recognized by their position in a sentence. For example, the suffixes -ify, -ize, -ate, or -en usually signify that a word is a verb, as in typify, characterize, irrigate, and sweeten
The correct answer is:
On the other hand.
"He looked forward to visiting with old friends. Greta, on the other hand, dreaded seeing her old boyfriend."
This phrase is showing Greta and Fred are having different feelings in that moment, creating a contrast between both of them.