1. Sarah Kaplan sells part of property to Erin Duncomb with “covenant” that grantee pay Kathryne Hayes’ law school tuition; Duncomb sells to McCann
(a) Kaplan sues
(b) Hayes sues

2. Convey same property with “covenant” that grantee never lease an apartment to Joe Panza

3. With “covenant” that never lease an apartment to any rock band

4. Kaplan subdivides tract
(a) Sells first lot to Stephanie Cerf, no restrictions
(b) Sells second lot to Audrey Mense with proviso “no rock bands or chromium plants to be allowed on the property”
(c) Sells third lot to Colleen Bisher with proviso “no punk bands”
(d) Sells rest of lots, but one, to various people with same restriction: “no hazardous waste or obnoxious music”
(e) Cerf sells to Love Chemical, which puts up a chromium processing plant; Bisher seeks injunction against operation of plant
(f) Mense sells to Nelson-Meyer band for a practice space; Cerf sues the band
(g) Kaplan sells to The Academy Isn’t, a vigorous hard rock group; Bisher sues Kaplan