Another common realization of nominal or clausal arguments is the use of a pronoun [3.7. Pronouns and Pragmatics 2.1]. In the sentence pair below, the single argument of cheap is expressed as a pronoun which refers back to the full NP ix3car .
t-h-o-m-a-s ix3car buy. ix3 cheap.
โThomas bought a car. It is cheap.โ