Cassandra started taking a vaccine to help prevent a respiratory illness known 
(a respiratory illness; known; ) (Cassandra; started; taking a vaccine to help prevent a respiratory illness) Context(Cassandra started,List([0, 17))):(Cassandra; started taking; a vaccine; to help prevent a respiratory illness) Context(Cassandra started taking,List([0, 24))):(Cassandra; started taking a vaccine to help; prevent a respiratory illness)
Cassandra started,List([0, 17)) Cassandra started taking,List([0, 24))
a respiratory illness Cassandra Cassandra Cassandra
known started started taking started taking a vaccine to help
taking a vaccine to help prevent a respiratory illness
a vaccine to help prevent a respiratory illness
prevent a respiratory illness