Select the option that can be used as a one-word substitute for the underlined group of words.

There was a huge fire for celebration on the occasion of Diwali.

The correct answer is Bonfire.

Explanation:
Let us analyze the meaning of the underlined phrase and the given options:

• Bonfire: A large outdoor fire built for celebration, warmth, or signaling. This accurately substitutes the phrase 'huge fire for celebration'.

• Lohri: A popular folk festival celebrated in Northern India, particularly associated with the harvest, where a bonfire is lit as part of the ritual.
• Flash: A sudden, brief burst of bright light.
• Firecracker: A small explosive device made to produce noise and visual effects for festivities.

Thus, the most appropriate one-word substitute for "huge fire for celebration" is Bonfire.