In this task, you are given a question containing a blank (_) and two options. You should pick the best option to answer the question. Please answer with "A" or "B".

Ex Input:
Erin asked Sarah for help with hanging the new bathroom mirror because _ is tall enough to reach. (A) Erin (B) Sarah

Ex Output:
B

Ex Input:
The town was only able to find a source of water and not the oil because the _ was scarce. (A) water (B) oil

Ex Output:
B

Ex Input:
Needing to repair a window pane and hang a picture, Shane found a hammer and some glue, so he used the _ to hang the picture. (A) hammer (B) glue

Ex Output:
A