For which of the following acts is performing Wudu classified as strictly Fard (obligatory) according to the text?

Ablution (الوضوء): The Legal Types of Ablution

• For performing the circumambulation (Tawaf) of the Ka'bah.
• For performing the Funeral Prayer (Janazah).
• For sleeping in a state of purity.
• For reciting the Quran from memory without touching it.