Over a period of time, you have deployed three versions (1.0, 1.1, and 1.2) of a SOA application X to a three-node SOA cluster. All versions of X subscribes to a business event named createCustomer…

Over a period of time, you have deployed three versions (1.0, 1.1, and 1.2) of a SOA application X to a three-node SOA cluster. All versions of X subscribes to a business event named createCustomer and instantiate a new BPEL process Y on receiving the event. At runtime, how many SOA composite instances are generated when createCustomer business event is fired?