Given the task definition and input, reply with output. In this task, you're given a context, a sentence,  and a character. The sentence describes an action or job of the given character. Also, the context provides more information about the sentence or the character. Your task is to write the character's motivation by doing a specific job, which is given in the sentence. You can use context to find the motivation; however, all the inputs do not provide context. Also, in some inputs, there can be zero motivation; output, 'None' in this case.

Context: While walking my dog on a deserted trail one day, I heard a noise. I turned towards the noise, seeing a person in the woods. This alarmed me, since there were no other cars at the trail that day. I was frightened, wondering if it might be a homeless person. 
 Sentence: A voice in the woods called out, asking if I had any toilet paper? 
 Character: Dog

None