rose zeeharrah , right , with her children at a camp for internally displaced persons , in yola , adamawa , where the family fled after a boko haram attacked their village and killed her husband .
evelyn was lucky to escape with her and her daughter rose when saw a boko haram attacked .
but unicef have revealed that a year later , more than 200 of these girls remain in captivity while being weighed in the kwanaya refugee camp .