A CONFIRMED $5\%$ canary signal occurs when the underlying index declines by $5\%$ from a $52-$week high within $\_\_\_$ days, and closes under the $200-$day SMA for $\_\_\_$ consecutive days.

a$.$

$2,15$

b$.$

$50,200$

c$.$

$15,2$

d$.$

$13,5$