C. A. 1st Cir. [Certiorari granted, ante, p. 814.] Motion of the Solicitor General for leave to file a brief as amicus curiae granted. Further consideration of motion of respondent to dismiss the writ of certiorari deferred to hearing of case on the merits. This case will be heard on oral argument January 20, 1988, in place of No. 86-1387, Mackey et al. v. Lanier Collection Agency & Service, Inc. [certiorari granted, 483 U. S. 1004].