Example $($Trust ${?}^1)$: Alice wants to buy a famous$-$brand bag on an auction website

from a person with account$-$name "kiwi". The earlier $10$ buyers with $?$kiwi? gave

rating as t$,$ t$,$ t$,$ t$,$ t$,$ t$,$ t$,$ t$,$ d$,$ t $($t: trustworthy d: dishonest$).$ Can Alice trust "kiwi"

for the high$-$price goods from "kiwi"?