With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The New Adventures of Old Christine's main character is divorced mother Christine Campbell.
text_B: Rancho San Miguelito was a 14198 acre Mexican land grant in present-day San Luis Obispo County , California given in 1842 by Governor Juan Alvarado to Miguel Avila , and an addition granted in 1846 by Governor Pio Pico .. Mexican land grant. Ranchos of California. Juan Alvarado. Juan Alvarado. Miguel Avila. Cornelio Avila#Miguel Avila. Pio Pico. Pio Pico. The grant extended along the Pacific coast , and included Point San Luis , San Luis Obispo Bay , and present day Avila Beach .. Avila Beach. Avila Beach, California
not_related.