Can we draw the following hypothesis from the context (see options)? 

Context:

How to use roman numerals<br>Understand the concept of roman numerals. Roman numerals use fewer symbols than the number system you are used to. I is the number 1 (one), v is 5 (five), and x is 10 (ten), for example.

Hypothesis: Roman numerals is the roman alphabet
Pick from:
(a). Yes.
(b). It's impossible to say.
(c). No.