Based on the context and the answer, generate a question. 

Context: Los snatches the phone from her . Los and J did n't talk that long because Mya was yelling " give me my phone " . After hanging up , Los would n't give Mya back her phone until she talked to him . For about 20 minutes , they argued over her phone .

Answer:

Los stole her phone .



Why is Mya very angry at Los ?