With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Streptococcus belongs to an order that is blue.
text_B: Plutonium-241 -LRB- Pu-241 -RRB- is an isotope of plutonium formed when plutonium-240 captures a neutron .. isotope. isotopes of plutonium. plutonium. plutonium. plutonium-240. plutonium-240. neutron. neutron. Like Pu-239 but unlike 240Pu , 241Pu is fissile , with a neutron absorption cross section about 1 / 3 greater than 239Pu , and a similar probability of fissioning on neutron absorption , around 73 % .. neutron. neutron. Pu-239. Pu-239. fissile. fissile. neutron absorption. neutron absorption. cross section. Neutron cross-section. In the non-fission case , neutron capture produces plutonium-242 .. plutonium. plutonium. neutron. neutron. plutonium-242. plutonium-242. In general , isotopes with an odd number of neutrons are both more likely to absorb a neutron , and more likely to undergo fission on neutron absorption , than isotopes with an even number of neutrons .. neutron. neutron. neutron absorption. neutron absorption
not_related.