this. is. a. supermarket.some. people. are. in. it.there. is

this. is. a. supermarket.some. people. are. in. it.there. is. a. thief(小偷)in the. supermarket.Mr.black. is. old. and. he. is. wearing. a. black. hat,a. Brown. coat. and. a. yellow. shirt. there. is. a. red. book. in. his. hand. Mrs. John. is. wearing. a. blue. and. White. dress. miss. Jane. is. Young. and. has. brown. hair.she. is. wearing. a. pink. coat. little.Andy.is. wearing. a. green. T～shirt,brown. trousers. and. black. shoes. the. old. lady. is .Mrs. White.she. is. 70.years. old. the. thief. is. between ,Mrs. John. and. the. Little. boy.who. is. the. thief？这篇短文是什么意思