Therearefourhats.Theyarered,yellow,greenandwhite.Theyar...
问题详情：Therearefourhats.Theyarered,yellow,greenandwhite.TheyareMike’s,Bill’s,Tom’sandJohn’s.Tom’shatisnotyellow,greenorred.John’shatisnotgreen.AndMike’shatisnotyelloworgreen.Whatcolouraretheir...