Find the words that has different stress pattern

Exercise 2. Find the words that has different stress pattern.
C. angelic (1)
B. rhythmic (1)
B. algae (1)
C. billboard (1)
B. electrical (2)
B. radiation (3)
B.industrial
B. education
B. electrician
B. revise
B. entrance
B. necessity
1. Adramatic (2)
2. A affect (2)
3.
4.
X 5.
6.
A. political (2)
A. aquatic (2)
Y
A. industry
A. electronic
A. industrial
7.
8. A. finish
9. A. purpose
10. A. interesting
Exercise 3
C. identical (2)
C. pollution (2)
C. poison
C. deficiency
C. manufacture
C. prefer
C. music
C. pollution
D. romantic
D. cholera C
D.politic (4)
D. economy (2)
D. poisonous
D. possibility
D. accidental
D. produce
D. typhoon
D. environment