Consider the following table.

Table:
| prr class   | builders model   | build date   |   total produced | wheel arrangement   | service   |   power output |
|:------------|:-----------------|:-------------|-----------------:|:--------------------|:----------|---------------:|
| fs10        | h10 - 44         | 1948 - 1949  |               55 | b - b               | switcher  |            nan |
| fs12        | h12 - 44         | 1952 - 1954  |               16 | b - b               | switcher  |            nan |
| ff20        | t erie buil      | 1947 - 1948  |               36 | a1a - a1a           | freight   |            nan |
| ff20        | erie built       | 1947 - 1948  |               12 | a1a - a1a           | freight   |            nan |
| ff16        | cf - 16 - 4      | 1950         |               16 | b - b               | freight   |            nan |
| ff16        | cf - 16 - 4      | 1950         |                8 | b - b               | freight   |            nan |
| frs - 16    | h16 - 44         | 1952         |               10 | b - b               | freight   |            nan |
| frs - 20    | h20 - 44         | 1948 - 1951  |               38 | b - b               | freight   |            nan |
| frs - 24    | h24 - 66         | 1948 - 1951  |               38 | c - c               | freight   |            nan |

Table Caption: prr locomotive classification

Is the following statement entailed (=1) or refuted (=0) by the table?

Statement: the ff20 prr class and erie built builder 's model be build after 1948

Answer: 0