Answer:
1 way-“I shall not die of a cough,” Montresor replies, “True,” because he knows that Fortunato will in fact die from dehydration and starvation in the crypt.
2nd way-The conversation about Masons also foreshadows Fortunato’s demise. Fortunato challenges Montresor’s claim that he is a member of the Masonic order, and Montresor replies insidiously with a visual pun. When he declares that he is a “mason” by showing his trowel, he means that he is a literal stonemason—that is, that he constructs things out of stones and mortar, namely Fortunato’s grave.
To send a message to Bob, Alice would simply write her e-mail and select the PGP option from a menu on her computer screen.
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A implicit cause it means with no qualification or question; absolute.