Find the word which the stress pattern pronounced differently from others.
1. A. teacher B. student C. lecture D. engineer
2. A. diploma B. folder C. backpack D. sharpener
3. A. apartment B. wardrobe C. kitchen D. bungalow
4. A. brunette B. curly C. redhead D. ugly
5. A. generous B. pretty C. attractive D. scruffy