Answer:
The correct answer is: Simile
Explanation:
Simile is one of the figures of speech that is used to compare two things of different kind by using as or like. Simile is derived from similis, a Latin word which means similar.
This figures of speech highlights the similarities present between the things. It is used for humorous comparisons in comedy.
Simili is often used in literature to compare or relate the inanimate objects to living.
Therefore, Robert used a simile to open his presentation.