When H2S is burned (flared) on a MODU, what can you expect to occur?

A
All of the H2S will be converted to SO2.
B
All of the H2S will be converted to hydrogen and free sulphur.
C
Only 80% of the H2S will be converted to SO2 or free sulphur.
D
The H2S not converted will not be dangerous.
E