他们一会儿给它垒窝筑巢，一会儿喂它米粒面包，女儿还不时抱起白鸽亲吻它那洁白的羽毛。
B-Person I-Person B-Time I-Time I-Time O B-Thing O B-Thing O B-Thing O O O O O B-Thing I-Thing I-Thing I-Thing I-Thing O B-Person I-Person O O O O O B-Thing I-Thing O O B-Thing O O O O B-Thing I-Thing O