Circles S and T are beside each other. They do not overlap. Which of the following sets could be represented by the given Venn diagram?
S = {multiples of 4}
T = {8, 12, 20}
S = {Mercury, Venus, Earth, Mars}
T = {planets in our solar system}
S = {reptiles}
T = {mammals}
S = {prime numbers less than 10}
T = {2, 3, 5, 7}