This is the log of what happened so far
Round 1
Scarlet (pl1)
Enters Hall
Suggests Mr. Green with Wrench in Hall
Mustard (du1) disproves
White (pl2)
Moves outside Ballroom
Accuses Mr. Green with Knife in Study
Wrong!
Peacock (pl3)
Enters Conservatory
Suggests Mrs. White with Knife in Conservatory
Plum (du3) disproves
Round 2
Scarlet (pl1)
Moves outside Hall
White (pl2)
Enters Lounge
Suggests Mr. Green with Knife in Lounge
Green (du2) can't disprove
Peacock (pl3) can't disprove
Plum (du3) disproves
Peacock (pl3)
Moves outside Conservatory