Consider the language $L = \{a^{n}\mid n \geq 0\} \cup \{a^{n}b^{n}\mid n \geq 0\}$ and the following statements.
- $L$ is deterministic context-free.
- $L$ is context-free but not deterministic context-free.
- $L$ is not $LL(k)$ for any $k$.
Which of the above statements is/are TRUE?
- Ⅰ only
- Ⅱ only
- Ⅰ and Ⅲ only
- Ⅲ only
