Choose the word whose main stress syllable is placed differently from the others in each group

Here are the words from Activity 3 where the main stress syllable is placed differently from the others in each group:

1. **A. gym** (stress on the single syllable)
2. **C. balcony** (stress on the second syllable, others stress on the first)
3. **A. island** (stress on the first syllable, others stress on the second)
4. **A. live** (stress on the single syllable, others involve two syllables)
5. **A. speaking** (stress on the first syllable, others stress on the second)
6. **B. groups** (stress on the single syllable)
7. **A. museums** (stress on the second syllable, others stress on the first)
8. **B. temples** (stress on the first syllable, others stress on the second)
9. **B. washed** (stress on the single syllable)

For Activity 4, please provide the context for more precise assistance.