Eastside Nurseries Ltd., which had long been a family business, was faced with a demand by its workers that it recognize their new organization, a union, for the purposes of collective bargaining. The group was certified by the appropriate governmental board as a union but the parties could not reach an agreement as to what should be included in the new collective agreement. Eventually the Eastside Nurseries Ltd. locked out the employees. This sort of dispute is called which one of the following?
a. Jurisdictional dispute 
b. Recognition dispute 
c. Arbitration dispute 
d. Interest dispute 
e. Rights dispute