Correct Answer - Option 1 : Sway : Steady
The pattern followed here is:
Puerile : Sensible → Sensible is an antonym of Puerile.
Puerile → Childish
Sensible → Matured
Similarly,
Sway : Steady → Steady is an antonym of Sway.
Sway → Move from side to side
Steady → To be stable or still
Hence, Sway: Steady is the correct answer.