今年盛夏的一天傍晚，我带小孙子到公园里散步，常看到公园小亭子里围了一群人在看里面两人下棋，那些“艺高”的人总是七嘴八舌，指手画脚，有的观棋者比下棋者还紧张着急，有时争得面红耳赤。
B-Time I-Time I-Time I-Time I-Time I-Time I-Time I-Time I-Time O B-Person O B-Person I-Person I-Person O B-Location I-Location O O O O O O O B-Location I-Location I-Location I-Location I-Location I-Location O O B-Person I-Person I-Person O O O O B-Person I-Person O B-Thing O O O O O O O O B-Person O O O O O O O O B-Thing I-Thing I-Thing O O O B-Person I-Person I-Person O B-Person I-Person I-Person O O O O O O O O O O O O O O O