Explanation:

- Prostitution: In some contexts, exploitation in prostitution can be considered gender-based violence, due to coercion, violence, and lack of choice often involved, particularly against women and girls.

- Female Infanticide: This is a gender-based violence practice, as it involves the killing of infant girls due to cultural preference for sons.

- Sex-selective Abortion: This qualifies as gender-based violence when done due to cultural preferences for male children, leading to the denial of life based on gender.

- Culpable Homicide: This refers to the unlawful killing of a person and is not inherently related to gender-based violence, as it involves murder or manslaughter regardless of gender.

- Answer: Option 4 - Culpable homicide