We have

**A:**

**B:**

and we want to get

**C:****.**

To get the first inequality in **C**,

focus your attention on the first inequality in **A** and the second inequality in **B**.

Then negate **B** and apply O3 **.**

To get the second inequality in **C**,

focus your attention on the second inequality in **A** and the first inequality in **B**.

Then negate **B** and apply O3 **.**