I will be leaving if any fools answer this question

Ik no one loves me​

Read the excerpt from “strychnine in the soup,” in which mr. mulliner explains the ending of a mystery novel to a bar patron who is anxious to know the conclusion of the story. “the plumber forgot his snake and had to go back for it,” explained mr. mulliner. ‘‘i trust that this revelation will prove sedative.” “i feel a new man,” said the draught stout. “i’d have lain awake worrying about that murder all night.” explain how a student who did not know the meaning of sedative could infer its definition?

15. why do you think that douglas' family members and doctors do not support his decision to be phyllis' caretaker?

Which sentence uses an antonym clue to the reader determine the meaning of the underlined word