A. Direction: Write S if the argument presented is Sound and US if it is an Unsound Argument.

___1. No one under eighteen years old can vote
Amanda is under eighteen.
Therefore, Amanda cannot vote.

___2. All multiples of 10 are multiples of 5
20 is a multiple of 10.
Therefore, 20 is a multiple of 5.

___3. All men are mortal.
Your father is a man.
Therefore, your father is mortal.

___4. Diamonds sparkles.
The sun sparkles.
Therefore, sun is a diamond.

___5. All dogs have four legs.
Cats have four legs.
Therefore, cats are dogs.
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