帮忙找找这段话中那些是名词性从句呢？

A FrenchmanWhether we find a joke funny or not largely depends on were we have been brought up， might find it hard to laugh at a Russian joke， for instance. The sense of humour is mysteriously bound up with national characteristics. In the same way， a Russian might fail to see anything amusing in a joke witch would make an Englishman laugh to tears

find it hard to laugh at a Russian joke.宾语从句
in a joke witch would make an Englishman laugh to tears主语从句

你好！ a joke which would make an Englishman laugh to tears. 如有疑问，请追问。