Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Date | Score | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 | Total |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Jun 25 | 2-3 | 25-18 | 31-33 | 26-28 | 25-21 | 11-15 | 118 - 115 |
| Jun 25 | 1-3 | 26-24 | 15-25 | 26-28 | 18-25 | NA | 85 - 102 |
| Jun 26 | 3-2 | 21-25 | 25-22 | 19-25 | 26-24 | 15-13 | 106 - 109 |
| Jun 26 | 1-3 | 25-19 | 15-25 | 19-25 | 21-25 | NA | 80 - 94 |
| Jun 27 | 0-3 | 22-25 | 22-25 | 17-25 | NA | NA | 61 - 75 |
| Jun 27 | 3-1 | 25-20 | 25-13 | 22-25 | 25-22 | NA | 97 - 80 |
Question:
What is Set 4, when Set 5 is NA, and when Set 3 is 19-25?
Answer:
21-25