With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Wentworth was of a nation.
text_B: Old Kaduna Airport is an airport serving Kaduna , a city in the Kaduna State of Nigeria .. Kaduna. Kaduna. Nigeria. Nigeria. Kaduna State. Kaduna State. Kaduna Airport. Kaduna Airport. It was replaced by Kaduna Airport , located 10 miles to the northwest .. Kaduna. Kaduna. Kaduna Airport. Kaduna Airport. It appears to be the headquarters of NAF Training Command with a flying training group and a ground training group at the base .. NAF Training Command. NAF Training Command. The command is chiefly responsible for implementing NAF training policies .. Ground training is also provided for support services and technical personnel .. 301 Flying Training School , Kaduna. Kaduna. Kaduna. 303 Flying Training School , Kano. 320 Technical Training Group , Kaduna. Kaduna. Kaduna. 325 Ground Training Group , Kaduna. Kaduna. Kaduna
not_related.