Take the sentence and break it into three sub-sentences.
The presentation was very impressive,but the audience was out of focus.
1. The presentation was very impressive.
2. However, there was an issue. 
3. The audience was out of focus.
Complete the following task based on the instruction and optional input provided.### Instruction:
Take the sentence and break it into three sub-sentences.

### Input:
The presentation was very impressive,but the audience was out of focus.

### Output:
1. The presentation was very impressive.
2. However, there was an issue. 
3. The audience was out of focus.