How to dispute a debit charge<br>Identify the charge. Look at your atm statement or debit card receipts. See if you can identify each withdrawal or purchase billed to your debit card.
Disputing a debit charge will always work.
I think the context of this one is important. You will always win a dispute over a fraudulent charge but not a non fraudulent one. I think this is a thin line to consider for the system. 
( z1 work :ARG1 ( z2 dispute :ARG2 ( z3 charge :ARG3 ( z4 debit ) ) ) :time ( z5 always ) )