to enrich
An infinitive is the basic form of the verb without a subject. When it is used in a sentence, it is preceded by "to". The correct answer is the one with a verb. To test it out just ask yourself if you can use it with the subject I after dropping "to". I enrich? Yes! Check, it's right. You can't say I the delight or I Tuesday mornings. The rest of the options are prepositional phrases because they start with the preposition to and end in a noun (person, place, thing, or idea).
Well, that sentence was a type of : Declarative sentence.
Declarative sentence is usually used to relay information or ideas. In this sentence you can see that it give some more detailed information about the painting.
hope this helps
He thought that he knew a lot about witchcraft so he had more people arrested because he was Christian and thought when one was found the rest needed to be hunted for as well. he started the peak of it if you will