What is the abbreviation of each role in the BP debate? What are OG OO CO? Can not understand

The prime minister (prime minister) held a debate

DPM: Deputy Prime Minister (Deputy Prime Minister) debated pros and cons.

MoG: Three Positive Arguments of Government Members (Government Members)

Weinberg: four arguments on the positive aspects of government whip (party whip)

LO: the leader of opportunity debate

DLO: Objection

OM: three opposing arguments

Four opposing arguments

OG: Square House of Lords (one debate and two debates)

OO: the house of lords against it (against one debate and against two debates)

CG: Square House of Commons (three debates and four debates)

CO: House of Commons against (against three debates and against four debates)