What are the elements of a conspiracy to commit a robbery?

the prosecution must show not only that the conspirators intended to agree but also that they intended to commit the elements of that offense." [Citation.]' [Citation.] The elements of robbery are (1) a taking of personal property, (2) from the person or immediate presence of another, (3) through the use of force or fear, (4) with an intent to permanently deprive the owner of his property. [Citations.] Theft is a lesser included offense of robbery since theft does not require the use of force or fear in the taking. [Citation.]" (People v. Kelley (1990) 220 Cal.App.3d 1358, 1366.)