植物人的母亲在病床上躺了近两年，这两年的春节我们就在医院里过。
B-Person I-Person I-Person O B-Person I-Person O B-Thing I-Thing B-Location O O B-Metric I-Metric I-Metric O B-Time I-Time I-Time I-Time I-Time I-Time B-Person I-Person O O B-Location I-Location I-Location O O