Contradict Words

Two words which when combined that don't make sense, or
contradict each other.

Act Naturally
Advanced BASIC
Airline Food
Almost Exactly
Alone Together
Business Ethics
Butt Head
Christian Scientists
Classic Rock
Clearly Misunderstood
Computer Security
Definite maybe
Diet Ice-Cream
Exact Estimate
Extinct Life
Found Missing
Fresh Frozen
Funny Business
Genuine Imitation
Good Grief
Government Organisation
Jumbo Shrimp
Living dead
Microsoft Works
Military Intelligence
New Classic
"Now, Then ..."
Passive Aggression
Peace Force
Plastic Glasses
Plastic Silverware
Political Science
Pop Art
Pretty Ugly
Same Difference
Silent Scream
Small Crowd
Smart Ass
Soft rock
Sweet Sorrow
Taped Live
Terribly Pleased
Working Vacation