b. garden
A preposition is found in a sentence in which it introduces information to the reader like a location perhaps. The object of the preposition can be a noun, a pronoun or even a gerund that is usually together with the preposition in order to complete a prepositional phrase. In the statement above, the prepositional phrase is "on the garden", therefore the preposition is "on" and the object of the preposition is the "garden" to which the preposition "on" refers to.
In the excerpt, the main conflict is between the speaker and the person they are speaking to. What is the conflict in the rules of the Game?
I don’t know what the author wrote because so don’t have a picture or context