Which statement is NOT CORRECT?

$1-$In business processes we can distinguish two perspectives: control flow and data flow.

$2-$WS$-$BPEL only handles task coordination, not task execution.

$3-$A data dependency between two different services A and B means that the execution of B depends on completing the execution of A$.$

$4-$WS$-$BPEL uses an orchestration pattern for managing sequence an data dependencies.