Which of the following is not a stable sort

Statement: P < Q; V < S > T; V < U > Q

Conclusion: I. T ≥ P           II. P > T

Statements: T > U, V > W, U = X, R ≥ X, V = R

Conclusion:

I. T ≥ W

II. W > T

Statements: P % Q, P $ R, Q # S, R @ T

Conclusions:

I. R $ Q                     

Statement- 1 - 6# ≥ 9# ≥ 10# ≤ 5#

2 - 7* ≤ 10# ˃ 5* ≥ 6*

Conclusions:

1) 5# > 5*

2) 9# ˃ 6*

Statements:  A ≥ B = C; D ≥ E > F; C > G; G ≥ D; F > H

Conclusion:

I. F < D

II. E > H

III. G ≥ E

Statements: A < B < E = C = F ≤ H ≤ G > L ≥ D

Conclusions:

I. H > A

II. G ≥ E

III. L > C

Statements: X @ Y $ Z & U, Z @ V

Conclusions: I. V # X II. V $ X

16. Statements:

J ≥ F = P; F > S ≥ A; S ≥ B < C

Conclusions:

I. C > A

II. B < J

Statements: B > C = D > H ≥ A; B ≤ D = F ≤ E < G

Conclusions:

I. H < E

II. B ≤ E