Read the following context and choose the best option to answer the question.
Context: Called Beating Cheating , it promised just what I was looking for : a way to find out FOR SURE if he was cheating or not , and to find out within 48 hours ! Having nothing to lose , and knowing I could get a refund within 8 weeks if it did n't work , I purchased the book online , downloaded it immediately , and got to work . And it worked like a charm .
Question: What kind of cheating does " beating cheating " detect ?
Options: 
- It can detect if someone has gone off their diet .
 - It is a way to detect if your partner is cheating at online video games .
 - It finds out if your loved one has another lover .
 - None of the above choices .


It finds out if your loved one has another lover .