Q: Does "While dog training as an organized activity can be traced back to the 18th century, in the last decades of the 20th century it became a high profile issue as many normal dog behaviors such as barking, jumping up, digging, rolling in dung, fighting, and urine marking (which dogs do to establish territory through scent), became increasingly incompatible with the new role of a pet dog." provide a valid answer to "How far back can dog training be found?"?
A: yes

Q: Does "In 1206 John departed for Poitou himself, but was forced to divert south to counter a threat to Gascony from Alfonso VIII of Castile." provide a valid answer to "When did Poitou depart?"?
A: yes

Q: Does "Singapore and Vietnam show more Chinese influence in that Singapore, although being geographically a Southeast Asian nation, is home to a large Chinese majority and Vietnam was in China's sphere of influence for much of its history." provide a valid answer to "Arabia has a strong influence in which Southeast Asian country?"?
A: no

Q: Does "Three-phase AC railway electrification was used in Italy, Switzerland and the United States in the early twentieth century." provide a valid answer to "How long did three-phase system operate in Cascade Tunnel?"?
A:
no