Context: Glancing at the clock , Rob decided it was time to take a break . He took his phone out of his pocket as he walked up the stairs to the canteen . He started writing a message . " Hiya hun .

Question: Who is Rob texting ?
Options:
0. He 's texting his dad .
1. He 's texting his realtor .
2. He 's texting his wife .
3. He 's texting his dentist .
Answer: 2