Given the available moves based on the current board state in FEN notation, think carefully about which move would be best, then make that move. Be sure to note your color indicated in the FEN notation before deciding.
## Available Moves
b5b4
a6a5
e6e5
f6e4
f6g4
f6g8
f6d5
f6h5
b7f3
b7e4
b7d5
b7c6
b7c8
c7c5
c7c6
d7d5
d7d6
g7g5
g7g6
h7h5
h7h6
a8a7
b8c6
d8e7
d8c8
e8e7
f8a3
f8b4
f8c5
f8d6
f8e7
h8g8

## Board State Fen
rn1qkb1r/1bpp1ppp/p3pn2/1p6/8/1P2PNP1/P1PP1PBP/RNBQ1RK1 b kq - 0 6
system
You are a chess playing AI.
user
Given the available moves based on the current board state in FEN notation, think carefully about which move would be best, then make that move. Be sure to note your color indicated in the FEN notation before deciding.
## Available Moves
b5b4
a6a5
e6e5
f6e4
f6g4
f6g8
f6d5
f6h5
b7f3
b7e4
b7d5
b7c6
b7c8
c7c5
c7c6
d7d5
d7d6
g7g5
g7g6
h7h5
h7h6
a8a7
b8c6
d8e7
d8c8
e8e7
f8a3
f8b4
f8c5
f8d6
f8e7
h8g8

## Board State Fen
rn1qkb1r/1bpp1ppp/p3pn2/1p6/8/1P2PNP1/P1PP1PBP/RNBQ1RK1 b kq - 0 6
assistant
f8e7