Question

Which sentence contains a restrictive phrase?

Madeline (the neighbor’s cat) was sleeping peacefully in the sun.
The novelist—my favorite by far—was kindly autographing books.
Jonah, the fastest runner on the track team, injured his left ankle.
The window in the living room provides the best natural sunlight.

Answer 1

"The window in the living room provides the best natural sunlight."

Explanation: "in the living room" is essential to identify which window (restrictive). The other examples use nonrestrictive appositives set off by commas or parentheses.