Example: "the book, which i read last night, was really interesting."

Example: "the book which is on the shelf is the one i need."

Example: "which color do you prefer, red or blue?"

Example: "which one of us is going to win the lottery?!"

Example: "i saw two cats outside, one of which was black."

• Which kind of food do you usually eat for breakfast?
• Which way is the beach?
• Which book did you enjoy reading the most?
• Which shoes should I wear to the party tonight?
• Which color do you like best, blue or green?
• Which day works best for you to meet up for lunch?
• Which movie did you watch last night?
• Which color do you like best: red or blue?
• Which book do you want to read for your book report?
• Which restaurant would you recommend for a special occasion?
• My sister is deciding which university to attend next year, and she's feeling overwhelmed with the choices.
• Which of these two restaurants do you prefer - the Italian or the Chinese one?
• The store has a wide selection of shoes, which makes it difficult to choose just one pair.
• We need to decide which movie to watch tonight - the action-packed thriller or the romantic comedy.
• The doctor will recommend which treatment is best suited for your medical condition.
• Do you know which train I should take to get to the city center?
• I can't decide which book to read next.
• Which one of your hobbies do you enjoy the most?
• The museum has a new exhibit which showcases local artists.
• This restaurant always serves delicious food, which is why it's so popular.
• Which of the books you've read recently did you find the most thought-provoking?
• I'm trying to decide which charity to donate to, but there are so many worthy causes to choose from.
• The hotel we stayed at last year, which had a stunning view of the ocean, was unfortunately fully booked this time around.
• The new film, which is set in a dystopian future, has received mixed reviews from critics.
• Can you tell me which aisle in the supermarket the gluten-free products are kept in?
• "I'm curious to know which countries you've visited and what your favorite experiences were."
• "I'm having trouble deciding which restaurant to go to for our anniversary dinner."
• "Which candidate do you think has the most potential to bring about positive change in the country?"
• "Which book do you recommend for gaining a deeper understanding of quantum mechanics?"
• "Can you remind me which exit we need to take to get to the airport?"