I need help this question, I not understand the questions thank you

A. Treasury bill (T-bill)

B. Treasury note

C. Yankee bond

D. U.S. government bond

E. Municipal bond

F. Treasury bond

Match each of the options above to the items below.

1. Considered the safest type of bond investment

2. Issued by states, cities, counties, and other local government agencies; usually exempt from federal taxes

3. Issued by a foreign government; payable in U.S. dollars

4. Matures in 10 years or less; sold in denominations of $1,000 up to $1,000,000

5. Matures in 25 years or more; sold in denominations of $1,000 up to $1,000,000

6. Matures in less than a year; issued with a minimum denomination of $1,000