Text: The creeper symbolizes the impassiveness he is said to have observed in this upright position of pratimayoga, which he adopted for one whole year in response to his brother's lust for worldly power.
Entailment: He reacted to his brother's power-hungriness by adopting an upright position of pratimayoga for an entire year.
Contradiction: In reaction to his brother's desire for power, he adopted an active life of helping the poor and needy for one year.