This leaves the family on edge as they do not know if Sarah was among those released especially as the girls are yet to be reconnected with their families.
The released girls were received at the airport on behalf of President Muhammadu Buhari by Alhaji Abba Kyari, his chief of staff.
One girl who wanted to see her family was able to do so. She said "I am happy where I am".
Alhassan said the girls were given adequate care by the Federal Government to enable them live a normal life.
Hosea Abana, Chibok community leader in Abuja, speaks during an interview in Abuja, Nigeria.
"Nobody would be unhappy to hear that the Chibok girls have been released".
This was the second release of schoolgirls since the electoral defeat of former President Goodluck Jonathan, scored for his failure to lead an immediate and thorough search for the students, many of whom were forced to take militants as husbands and bear their children. Press reports say that the girls generally appeared to be in good physical condition.
"We provide a range of assistance to Nigerian authorities in their efforts to combat Boko Haram and ISIS in West Africa". 8, 2017 file photo, Chibok schoolgirls, recently freed from Nigeria extremist captivity, are photographed in Abuja, Nigeria.
The girls were released on Saturday, after successful negotiations occurred among the Swiss government, the Red Cross Society, and a few private individuals trusted by both sides. As Boko Haram have been known to change tactics to carry out terrorist activities, with the most recent the use ofchild suicide bombers which are an increasing threat, with this year having more children; with a lot of them being girls according to UNICEF.
Girls who escaped soon afterwards claimed some classmates had died from illness while others did not want to come home because they had been radicalised by the insurgents. They are among thousands kidnapped by Boko Haram during its eight-year insurgency that has left thousands dead and driven millions from their homes. But sadly, the Chibok girls are not the first and only ones to be forcefully abducted, by Boko Haram in the North east.
"Those saying we are not allowing them access are not the direct parents of the girls; we can not bring anybody to see them apart from their biological parents, allowing visitors everyday will not allow them to heal fast". Those girls are in a government rehabilitation camp where they rarely see their families.
Human rights groups have criticized the decision to keep them in custody in Abuja.
Aisha, who prayed for the safe return of the remaining girls, assured them that their future would be bright and presented gifts to them.
"It's a much more complex situation than the abducted-rescued-victim narrative we've seen at times", she said.
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