Datapoint Kinubi/Position of interrogative phrases in content questions

I have one example of Value 1, but in a subordinate clause:

iíta árifu lé kun zedé
[you know why be so]
'Do you know it is so?'

Values

Interrogative phrase not initial

Example 63-16:
múnu?
det
múnu?
who
Who’s that?

Source: Luffin 2005: 379

Example 63-17:
úo jíbu sunú?
úo
3sg
jíbu
bring
sunú?
what
What did he bring?

Source: Heine 1982: 82

Confidence:
Very certain