sentences:  Its residents comprise a congenial mixture of ethnic and economic backgrounds, ages, vocations, interests and talents.The OHPA now includes 650 families.While the shopping center no longer has a grocery store (first Market Basket, then Prime Food Market), a pharmacy (Oak Park Pharmacy), a dry cleaners (Chiswick Cleaners) or a gas station (The Prioli Brothers), it does now have a pizza parlor (which delivers), a hair salon and a plumber, as well as a few condominiums.