Hi, which of the following sentences should be considered correct??
1a) The lady with red hair is my neighbour.
1b) The lady with the red hair is my enighbour.
2a) The lady in red dress is my teacher.
2b) The lady in the red dress is my teacher.
3a) The old man in the red car is my boss.
3b) The old man in red car is my boss.
It seems 1a, 1b, 2a, 2b and 3a are correct but not 3b. Am I correct??
Thanks