Depending on the preposition you use to fill in the blank in “I am looking ____ the dog...

Depending on the preposition you use to fill in the blank in “I am looking ____ the dog”, the meaning of the sentence changes completely. Analyze the sentences below and mark the CORRECT item.

I. “I’m looking at the dog” means you are seeing the dog.
II. “I’m looking after the dog” means you don’t know where the dog is.
III. “I’m looking for the dog” means you are taking care of the dog.