1：the norwood builder （故事）
1.Mr.mcfarlane's mother ever be the lover of the builder Mr.cornelius,but she refused to marry with the builder,years later Mr.cornelius still conspire to revenge on her son for.
2.Mr.cornelius,the evil builder,conspired a trap for Mr.acfarlane,just want to revenge on his mother and also destroyed the young man.
2:the golden glasses （故事）
1.The golden glasses are the clue to the whole case,from the feature,Mr.Sherlock Holmes think the glasses belong to a woman.
2.The grass near the path can be seen that someone ever steped on it.
3.There are at least two or three marks near the keyhole,that means someone can't see the keyhole clearly,she maybe is a shortsighted woman,she had lost her glasses,when she tried to unlock the keyhole,she made some scratches on the keyhole.
4.The two passages in the house looked similar,when a stranger come into the house at the first time,she might make confused about the two passages,she think it's the same passage,she go to the wrong way.
5.Sherlock Holmes put some ash on the ground near the bookshelf,in order to prove someone hide behind the bookshelf,because if someone come out,she will step on the ash,by this way Sherlock can check if some hide behind the bookshelf.