Read the following context and choose the best option to answer the question.
Context: It really opened my eyes . The most challenging parts of this assignment was dividing the workload evenly , and editing the document . Editing was a challenge , because everyone in the group had their own unique style of writing . Dividing the workload evenly was also very important .
Question: What may be the reason why this task was so difficult ?
Options: 
- They are n't used to working with so many people .
 - The other people wanted to control everything .
 - They want the others to fail so they did as little as possible .
 - The speaker is a control freak .


They are n't used to working with so many people .