Correct Answer: Liking

Solution : The second option is correct.

Penchant refers to a strong inclination or liking for something, indicating a pronounced preference or tendency towards a particular activity or behaviour. Similarly, liking denotes a positive feeling of affection or preference for something or someone.

The meanings of the other options are as follows:

• Bitterness is the quality of being bitter, having a harsh or disagreeable taste, or feeling resentment.
• Sourness is the taste or quality of being sour, like that of a lemon.
• Disliking means having a negative feeling of not liking or having an aversion to something or someone.

Therefore, the correct answer is liking.