In the question below, two statements (

• I and (I
• I are given. These statements may be either independent causes or may be effects of independent causes or a common cause. One of these statements may be the effect of the other statement. Read both the statements and decide which of the following answer choices correctly depicts the relationship between these two statements. I. Several cities reported a significant decline in air pollution levels over a few months. II. Public transport and private vehicles remained off the roads due to strict travel restrictions.