What ability of Dickinson’s does Lewis find encouraging?

Lewis find encouraging how Emily Dickinson's writing style is most certainly unique. She used extensive dashes, dots, and unconventional capitalization, in addition to vivid imagery and idiosyncratic vocabulary. Instead of using pentameter, she was more inclined to use trimester, tetrameter, and even dimeter at times

i love cake

and don't hate

i know i'm fat

but what's wrong with that

i cant rap

but im sure ya know that

its just for fun

so quit hatin' son

~courtney

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).