A complex sentence contains one independent clause and at least one dependent clause. Here, in your example, there are two simple independent clauses which you need to merge using a dependent adjectival clause in order to make one complex sentence. Here is how to do it:
The boy <u>who wore a green coat</u><u /> carried his sister home.
Personification is going to be your answer. Don't read the rest because I am only doing this to reach the max character needed.
Figurative my dude just did the apex
i would say Patience because in the first sentence it says the secret of a dogs success in handling a man is patience
