A woman in a blue jacket talks on the phone a the boardwalk .
A woman in a red jacket throws her phone away at the boardwalk .
A woman in a blue jacket talks on the phone a the boardwalk.
A woman in a red jacket throws her phone away at the boardwalk.
If a woman throws her phone away, she could not talk on it.  Blue is not red.
If a woman throws her phone away , she could not talk on it . Blue is not red .