What is the Prepositional phrase in sentence for lunch you had soup with crackers?

The prepositional phrase in the sentence "For lunch you had soup with crackers" is "for lunch".

Here's why:

* Preposition: "For" is the preposition in this phrase.

* Object of the Preposition: "Lunch" is the object of the preposition, meaning it is the noun or pronoun that the preposition relates to.

The prepositional phrase "for lunch" tells us the context or purpose of the action (having soup).