It

Pronoun

  is

Auxiliary

  sometimes

Adverb

  found

Verb

  on

🔛

Adposition

  black olives

,  improperly

Adverb

  stored

Verb

  food

🍽️

Noun

  grains

Noun

  and

Coordinating conjunction

  peanuts

🥜

Noun

.

It is sometimes found on black olives, improperly stored food grains and peanuts.

It is sometimes found on black olives, improperly stored food grains and peanuts.