I Am Not Ready For A Pet

Twisty Tina is an only child, is tired of being lonely, and wants a baby brother or sister. When her dad says no, she decides to ask for a pet instead. However, her mom doesn't think she's ready for one. Twisty Tina comes up with the perfect plan to get her mom to say yes. But is it? Is her plan good enough to get her parents to change their minds?