I need to extract the month in Col B

I have tried to set up a formula to do this but where the number of characters changes for a particular month, it does not work

It would be appreciated if someone could assist me

Book1 | ||||
---|---|---|---|---|

A | B | |||

1 | Description | Month | ||

2 | Sales Data for February 2019 | February | ||

3 | Sales Data for March 2019 | March 20 | ||

4 | ||||

Sheet1 |

Cell Formulas | ||
---|---|---|

Range | Formula | |

B2 | =MID(A2,FIND("for",A2)+4,8) | |

B3 | =MID(A3,FIND("for",A3)+4,8) |