Catching the flu<br>Tom had the flu. He accidentally gave it to his brother. His brother gave it to his teacher. His teacher got sick and lost his voice. He couldn't teach for 3 days.
tom is sick and is contagious
( z1 and :op ( z2 sick :ARG1 ( z3 person :name ( z4 name :op "Tom" ) ) ) :op ( z5 contagious :domain z3 ) )