Read the following article and answer the question by choosing from the options.

It was back to school this week you know and -- wait hold on , " he could hear her covering the mouthpiece and it was through a muffled screen he heard his niece start to cry . Thank God I do n't have kids . " If this is a bad time , " he started to say , but his sister cut him off before he could finish .

How was the man in contact with sister when they were having a discussion ?
pick from the following.
[1]. They were talking on the phone when she started having kid problems ..
[2]. They were sitting in a coffee shop having a cup and chatting ..
[3]. They were at his sister 's house when his niece began acting up ..
[4]. They were sitting in the school cafeteria discussing his niece .....A:
[1].