Tamara walked through the night to the little house where her </PGN0103.TXT/PGN>old nurse lived. The old woman gave her a meal. Then Tamara went out to get a car. She had enough money with her to pay for the use of a car for a few days. She wanted to go into town and see a friend, a teacher of science. She had to sit through the second part of a class before she was able to speak to him. But then he took her to his office and listened to her. She told him that she wanted to build houses on some land her husband had owned. But first she must clear it of unwanted plants. She wanted something that would kill them. Her friend wrote down  a name on a piece of paper and told her to take it to a shop he knew. "You will need lots of it." he said. "Put it in water and spread it over the plants." How many people are mentioned in this passage?
3 4 5 6