Remedy or Cause?

“Where’s my icepack?” shouted Alice.
Elmo pulled the tray from the freezer, bent it over the ice bucket, and waited for the cubes to fall out.
Nothing.
He scratched his head and smirked.
“Maybe they’re not clean?” he said.
Elmo ran the trays under the faucet, then poured them out and wiped them down with a kitchen towel.
He smiled as he stuck them back in the freezer.
“Where’s my icepack?” shouted Alice. “This migraine is killing me!”
“I’m still working on it!” shouted Elmo back, happily. “And don’t you worry – that ice is going to be really clean!”