Step 1: Understand the words.
- "Layer" refers to a single thickness or level of material placed on or between other materials.
- "Liar" refers to a person who tells lies. Step 2: Construct sentences.
- Layer: "The cake had multiple layers of cream."
- Liar: "He is a liar who cannot be trusted." Final Answer:
\[
\boxed{\text{The cake had multiple layers of cream.}}
\]
\[
\boxed{\text{He is a liar who cannot be trusted.}}
\]