True or False.

$(0\mathrm{.}2$ points$)$ Suppose there exists a cycle $c=,$ where $v_0=v_k.$ We have $v_i.=v_{i-1}$

for $i=1,2,$dots,$k.$ Assume relaxation of $(v_{k-1},v_k)$ created the cycle. Then, cycle must be reachable

from the source vertex $s.$