object of preposition noun
The object of preposition noun (or OPN) is the noun in the prepositional phrase of a statement.
For example, in the statement:
person: Kent Ortiz <introduced> person: Agnes Levine [to] person: Marlene Oliver
the noun "person: Marlene Oliver" is the object of preposition noun of the statement.
NOTE: A noun may the object of preposition noun in one statement, and the subject noun or object noun in another statement.