With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Shailene Woodley stars in The Divergent Series: Allegiant.
text_B: One of the best specimen of bathing tanks or pools in ancient Sri Lanka is the pair of pools known as Kuttam Pokuna -LRB- Twin Ponds / Pools -RRB- .. pools. swimming pool. Sri Lanka. Sri Lanka. The said pair of pools were built by the Sinhalese in the ancient kingdom of Anuradhapura .. pools. swimming pool. Anuradhapura. Anuradhapura. These are considered one of the significant achievements in the field of hydrological engineering and outstanding architectural and artistic creations of the ancient Sinhalese .
not_related.