KALAMAZOO, MI -- A water main break has caused a Kalamazoo street to be closed Friday, Jan. 12. Solon Street between West Main Street and Santos Avenue is closed, according to a news release from the city. Motorists should seek an alternate route. A detour has been posted. Boil water advisory for East Cork and Harvard Streets in Kalamazoo
Residents of East Cork and Harvard Streets have to boil their water
The context only states that boiling water is advisory, not that they have to. The system likely misunderstood the difference between have to, and advised to. 
( z1 obligate :ARG2 ( z2 boil :ARG0 ( z3 person :ARG0-of ( z4 reside :ARG1 ( z5 and :op ( z6 street :name ( z7 name :op "East" :op "Cork" ) ) :op ( z8 street :name ( z9 name :op "Harvard" :op "Street" ) ) ) ) ) :ARG1 ( z10 water :poss z3 ) ) )