Nova eyed the pool of sand and jumped on X 's back , holding on tightly . " You are covered in sand . " The female brushed some of it off and settled , holding on .
According to the above context, choose the best option to answer the following question.
Question: What do you know about X ?
Options:
- X is giving Nova a ride .
 - X holds on tightly .
 - None of the above choices .
 - X jumped on Nova .


X is giving Nova a ride .