The phone dying.
Monica was at the library. She needed to call a cab to go home. Then, she realized that her phone had died. She went to the front desk and asked to use a phone. They let her use their phone to call her cab.
Then, she realized that her phone had died. She went to the front desk and asked to use a phone. They let her use their phone to call her cab. Monica was at the library. She needed to call a cab to go home.