With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Naomi Scott was in Lemonade Mouth.
text_B: A vibrating shuttle is a bobbin driver design used in home lockstitch sewing machines during the second half of the 19th century and the first half of the 20th century .. bobbin driver. bobbin drivers. lockstitch. lockstitch. It supplanted earlier transverse shuttle designs , but was itself supplanted by rotating shuttle designs .
not_related.