The guy which stole my purse was arrested.
who
Baseball is the only sport in which I am interested in it.
Baseball is the only sport in which I am interested.
OR
Baseball is the only sport which I am interested in.
She is the woman. I told you about her.
She is the woman whom I told you about.
This is something that you use to bake a cake.
Oven
The day when I started college was rainy and cold.
when I started college
The financial situation who is happening right now is not very promising.
which/that
A myth is a story expresses traditional beliefs.
A myth is a story expressing traditional beliefs.
OR
A myth is a story which / that expresses traditional beliefs.
The music was good. We listened to it last night.
The music which / that we listened to last night was good.
This is the place where the president of the USA works.
The person who wrote me the letter lives in Colorado.
who wrote me the letter
The person who lie a lot cannot be trusted
lies
On the wall, there is a colorful poster which it consists of a group of young people who dancing.
On the wall, there is a colorful poster which / that consists of a group of young people (who are) dancing.
The man is standing over there. I was telling you about him.
The man whom I was telling you about is standing over there.
🤩**DAILY DOUBLE** 🤩This is a country that is also a continent.
Australia
The place where the meeting was scheduled was all the way across town.
where the meeting was scheduled
I live in a city that I was born.
where
There are ten universities in Thailand, seven of them are located in Bangkok is the capital city.
There are ten universities in Thailand, seven of which are located in Bangkok, (which is) the capital city.
The meeting was interesting. Oscar went to it. (formal sentence)
The meeting to which Oscar went was interesting.
This is the day when people celebrate Jesus' birthday.
December 25
I prefer that book which provides some historical background.
which provides some historical background
I have never liked people who only concern is themselves.
whose
There is an old legend telling among people in my country about a man lived in the 17th century and saved a village from destruction.
There is an old legend (which / that is) told among people in my country about a man who lived in the 17th century and saved a village from destruction.
I must thank the people. I got a present from. (formal sentence)
I must thank the people from whom I got a present.
This is a hectic day at the end of November when most major retailers open very early and offer promotional sales.
Black Friday
You should know the reason he scolded you.
(that) he scolded you