Streptococcus pneumoniae viridans

Which of the following statements is true regarding the encapsulation of Streptococcus pneumoniae and viridans group streptococci?

1: Streptococcus pneumoniae is encapsulated, while viridans group streptococci are non-encapsulated.
2: Streptococcus pneumoniae and viridans group streptococci are both encapsulated.
3: Streptococcus pneumoniae and viridans group streptococci are both non-encapsulated.
4: Streptococcus pneumoniae is non-encapsulated, while viridans group streptococci are encapsulated.