Single/multi-select question: Does the sentence "In 1899, the local postage stamps were overprinted "Guam" as was done for the other former Spanish colonies, but this was discontinued shortly thereafter and regular U.S. postage stamps have been used ever since." provide a valid answer to the question "What type of postal service does Guam currently have today?"
Pick from:
(I) yes;
(II) no;
(I)