In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").

Fact1: Loss of ozone has created an ozone hole over Antarctica., Fact2: Antarctica's ozone layer is threatened by depletion., Question: What can loss of ozone lead to? (A) irritants (B) bad weather (C) Car accidents (D) ozone hole (E) rain (F) A hurricane (G) stormy weather (H) destroyed crops
D

Fact1: Some parasites live on the surface of their host., Fact2: Leeches are external parasites., Question: What unwanted creature would be found on the surface of a human body using it as a host?  (A) Tapeworm. (B) Leeches. (C) Pesticides (D) animals (E) insects (F) Hookworm (G) bacteria (H) Bracelet.
B

Fact1: Female monotremes lack a uterus and vagina., Fact2: Monotremes include the duckbill platypus., Question: Which parts do female duckbill platypus lack? (A) uterus and vagina (B) Chlorophyll (C) Epidermis (D) a cuticle (E) epidermis and dermis (F) four limbs (G) fur and fat (H) critical organs

A