The following cmavo are discussed in this section:

Lojban questions are more fully explained in Section 19.5, but ma and mo are listed in this chapter for completeness. The cmavo ma asks for a sumti to make the bridi true:

The cmavo mo, on the other hand, asks for a selbri which makes the question bridi true. If the answer is a full bridi, then the arguments of the answer override the arguments in the question, in the same manner as the go'i-series cmavo. A simple example is:

Example 7.65 is a truly pregnant question that will have several meanings depending on context.

(One thing it probably does not mean is “Who are you?” in the sense “What is your name/identity?”, which is better expressed by:

or even

which uses the vocative doi to address someone, and simultaneously asks who the someone is.)

A further example of mo:

When ma or mo is repeated, multiple questions are being asked simultaneously: