▁on ▁the ▁number ▁of ▁players . ▁Keep ing ▁track ▁of ▁which ▁cards ▁are ▁shown ▁to ▁each ▁player ▁is ▁important ▁in ▁ded uc ing ▁the ▁solution . ▁Det ect ive ▁Notes ▁are ▁supplied ▁with ▁the ▁game ▁to ▁help ▁make ▁this ▁task ▁easier . ▁The ▁p ads ▁can ▁keep ▁not ▁only ▁a ▁history ▁of ▁which ▁cards ▁are ▁in ▁a ▁player ' s ▁hand , ▁but ▁also ▁which ▁cards ▁have ▁been ▁shown ▁by ▁another ▁player . ▁It ▁can ▁also ▁be ▁useful ▁in ▁ded uc ing ▁which ▁cards ▁the ▁other ▁players ▁have ▁shown ▁one ▁another . ▁For ▁example , ▁if ▁Mrs . ▁Sc ar lett ▁dis pro ves ▁Mr . ▁Green ' s ▁suggestion ▁that ▁Mrs . ▁Pe ac ock ▁did ▁the ▁crime ▁in ▁the ▁Ball room ▁with ▁the ▁Cand l est ick , ▁ ▁a ▁player ▁with ▁both ▁the ▁Ball room ▁and ▁Mrs . ▁Pe ac ock ▁cards ▁in ▁their ▁hand ▁can ▁then ▁dedu ce ▁that ▁Mrs . ▁Sc ar lett ▁has ▁the ▁Cand l est ick . ▁A ▁player ▁makes ▁a ▁suggestion ▁to ▁learn ▁which ▁cards ▁may ▁be ▁elimin ated ▁from ▁susp icion . ▁However , ▁in ▁some ▁cases ▁it ▁may ▁be ▁advantage ous ▁for ▁a ▁player ▁to ▁include ▁one ▁of ▁their ▁own ▁cards ▁in ▁a ▁suggestion . ▁This ▁technique ▁can ▁be ▁used ▁for ▁both ▁forcing ▁a ▁player ▁to ▁reve al ▁a ▁different ▁card ▁as ▁well ▁as ▁mis leading ▁other ▁players ▁into ▁bel ieving ▁a ▁specific ▁card ▁is ▁suspect . ▁Therefore , ▁moving ▁into ▁a ▁room ▁already ▁held ▁in ▁the ▁player ' s ▁hand ▁may