The

Determiner

  exact

Adjective

  shape

Noun

  of

Adposition

  the

Determiner

  cavity

Noun

  is

Auxiliary

  often

Adverb

  dependent

Adjective

  on

🔛

Subordinating conjunction

  how many

  lamps

Noun

  are

Auxiliary

  used

Verb

.

The exact shape of the cavity is often dependent on how many lamps are used.

The exact shape of the cavity is often dependent on how many lamps are used.