question: If located in Canada somewhere where DST is observed , a system running Vista might mishandle time stamps that are older than what year ?
answer: 1987
turker_answer: If located in Canada somewhere where DST is observed , a system running Vista might mishandle time stamps older than 1987 .
rule-based: If located in Canada somewhere where DST is observed , a system running Vista might mishandle time stamps that are older than 1987 .