Words that help to set the tone: "crutch without an owner", "die".
Explanation:
The text shown above narrates the possible death of a child, who had his whole life ahead of him and who was very loved by his family. The revelation of a possible death imposes sadness on the reader who can imagine how this child had a lost future and when it was devastating for all who loved him.
Within literature, the tone is the feeling that the author wishes to convey to the reader through words and the narrated situation.
Even the popcorn bags have a warning on them telling you not to. The popcorn setting on many microwaves has only a preset time and no humidity sensor, which means that the microwave can't tell when something's burning.