With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Timothy Olyphant was not an actor.
text_B: A contact binary is a small Solar System body that is composed of two bodies that have gravitated toward each other until they touch .. small Solar System body. small Solar System body. This means contact binaries have odd shapes .. Comet Churyumov -- Gerasimenko and Comet Tuttle are most likely contact binaries .. Comet Tuttle. 8P / Tuttle. Asteroids suspected of being contact binaries include the unusually elongated 624 Hektor and the bilobate 216 Kleopatra and 4769 Castalia .. 624 Hektor. 624 Hektor. 216 Kleopatra. 216 Kleopatra. 4769 Castalia. 4769 Castalia. 25143 Itokawa , which was photographed by the Hayabusa probe , also appears to be a contact binary which has resulted in an elongated , bent body .. 25143 Itokawa. 25143 Itokawa. Hayabusa. Hayabusa. About 10 -- 15 % of near-Earth asteroids larger than 200 meters are expected to be contact binaries with two lobes in mutual contact .
not_related.