Grandfather did not like my friends idling about the store while I was working

Which three sentences in this excerpt from arthur conan doyle's "the contest" suggest that the author's tone is mocking?

The ch in chronicle is a hint that the word is ultimately derived from latin greek french portuguese

Unit testactivelike sparkling stars strewn across the night sky.their brilliance catching the corner of my eye,making me slow down, just to look at them a little longer.in my awe of the sheer beauty of merely broken glass,i couldn't but thinkhow someone else's tragedycould be so beautiful to me.source: t., jennifer. "irony." teen ink. teen ink, n.d. web. cjuly 2011.the poem is an example ofexternal conflictinternal conflictdramatic ironysituational ironymark this and returnsave and exitsubmit