A 5-year-old girl with hemiplegic cerebral palsy is playing…

A 5-year-old girl with hemiplegic cerebral palsy is playing dolls with her younger sibling. As the girl is getting ready to put a new dress on her doll, her brother reaches over and takes the dress from her. The girl hits her brother. Brother cries and gives the dress back to the girl. In this scenario, what is the antecedent to the girl’s hitting behavior?