Henry says that his set of numbers includes all integers. Iliana argues that he is wrong.
 (-15,- 5. - 1.0.2.16)
 Which is the best way to explain why Iliana is correct?
 Olliana is correct because Henry included negative numbers. Negative numbers are not integers.
 Olliana is correct because Henry included a fraction. Fractions are not integers.
 Olliana is correct because Henry included zero. Zero is not an integer.
 Olliana is correct because Henry included a positive number. Positive numbers are not integers.