Brad learns his lesson<br>Brad wanted to get drunk for the first time ever. He was throwing a huge party and invited all his friends. They all got drunk as they could. Brad threw up all over the place. He woke up with a massive headache and learned to never drink again.
A headache can happened after drinking
( z1 possible :ARG1 ( z2 headache :time ( z3 after :op ( z4 drink ) ) ) )