Let's shorten it
She is the woman who is texting you.
She is the woman texting you.
Commas or no commas? The man whose wallet was stolen called the police.
No commas
I know Kevin. His bicycle was stolen.
I know Kevin whose bicycle was stolen.
Are the commas right? Sushi, one of my favorite dishes is quite delicious.
Incorrect. Sushi, one of my favorite dishes, is quite delicious.
I sit next to the girl who she is from China.
Delete: SHE
The music that is from Minesota is mostly Country style.
The music from Minesota is mostly Country style.
Commas or no commas? The White House where the US president lives is very old.
Comma The White House, where the US president lives, is very old.
The professor is an excellent lecturer. He teaches Chemestry 101.
The professor who teaches Chemistry 101 is an excellent lecturer.
Are the commas right? Rock and Roll, which originated in the states, is my favorite music genre.
Correct
My neighbors which live next door to me are very noisy.
Change which for that or who.
The topic that we discussed yesterday was Adjective Clauses Reduction.
The topic discussed yesterday was Adjective Clauses Reduction.
Commas or No commas? The people whose house we visited were nice.
No commas
Mr. Kevin is an excellent lecturer. He teaches Chemestry 101.
Mr. Kevin, who teaches Chemestry 101, is an excellent lecturer.
Are the commas right? AC/DC, which is one of the best Australian bands, released a new single this year.
Correct.
The coffee was strong which I drank.
Change order: The coffee WHICH I DRANK was strong.
The portrait that is displayed in the palace is beautiful.
The portrait displayed in the palace is beautiful.
I'll never forget the day when I met you.
No comma
Daily Double
The students from this group, who luckily clicked on this cell, get the amount of indicated points.
Are the commas right? The man, who is playing Bob Dylan, spent a year with the singer.
Incorrect. The man who is playing Bob Dylan spent a year with the singer.
The man who you saw was my uncle.
The woman whom you met yesterday speaks Mandarin fluently.
No reduction possible.
Commas or no commas? Where? Hawaii which consists of eight principal islands is a favorite vacation spot.
commas: Hawaii, which consists of eight principal islands, is a favorite vacation spot.
The teachers discussed about Kevin. They saw him working at a Bistro.
The teachers discussed about Kevin, whom they saw working at a Bistro.
or
The teachers who saw Kevin working at a Bistro discussed about him.
Daily Double. Get it right, win double. Get it wrong, lose double.
Reduce it.
The man that Bob is giving a ride to comes from England.
No reduction possible.
Get it right and get the double amount of points. Get it wrong and lose the double amount of points. Jenny whose I'm walking her dogs is on vacation.
Jenny, whose dogs I'm walking, is on vacation.