With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ulysses S. Grant fought in World War I.
text_B: The Rugby Channel is New Zealand 's only channel dedicated to the national sport of rugby union .. New Zealand. New Zealand. rugby union. rugby union. When live matches are not on , the channel screens classic games and documentaries relating to the sport .. It was the only channel committed to showing all major matches in the widescreen 16 :9 ratio popular with newer television sets , but from August 2008 SKY Sport changed to widescreen as well after MY SKY HDi was launched .. 16 :9. 16 :9. widescreen. widescreen. MY SKY HDi. SKY Network Television. However , Rugby Channel viewers can exclusively watch the press conferences following major rugby matches , and you can watch most major European rugby games as well .
not_related.