With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: David Harbour is only been in movies and no other medium.
text_B: Tha Sak is a village and tambon -LRB- subdistrict -RRB- of Phichai District , in Uttaradit Province , Thailand .. Province. Provinces of Thailand. Uttaradit. Uttaradit Province. Phichai District. Phichai District. tambon. tambon. Uttaradit Province. Uttaradit Province. Thailand. Thailand. In 2005 it had a total population of 7323 people .. The tambon contains 10 villages .. tambon. tambon
not_related.