我是一位母亲，当时觉得心里非常酸楚，我把包里的零钱全给了他，又加上一张二十块钱的纸币，足够他在饭店里吃顿年夜饭了。
B-Person O O O B-Person I-Person O B-Time I-Time O O O O O O O O O B-Person O B-Thing B-Location O B-Thing I-Thing O O O B-Person O O O O O O B-Metric I-Metric I-Metric O O B-Thing I-Thing O O O B-Person O B-Location I-Location I-Location O O B-Thing I-Thing I-Thing O O