Look at these definitions. Write the number of the correct definition on the lines below. condition n. 1 [U] the state of s.t. (good, bad, weak, strong): The condition of his health is excellent.||The condition of that machinery is bad. 2 [C] a disease, medical problem: My grandmother has a heart condition. 3 [C] a requirement: Our book contract has two special conditions in it; we must pay $10,000 in advance, and we must renew the contract annually. 4 [C] external factors: My living conditions were terrible at my old apartment building; I had no running water or heat for two months. 5 on the condition that: provided that: Yes, we will renew the contract next year on the condition that we make money on the deal. -v. [T] 6 to shape the attitudes or behavior of: We conditioned our children to not watch TV during the week. 1. The condition of his car is terrible. 2. The conditions in space are very stressful. 3. My apartment lease has a condition in it—I must tell them three months in advance if I'm moving out. 4. My neighbors conditioned their dog to expect food when they rang the bell. 5. Several people in my family have heart conditions. 6. I will leave on the condition that you lock the door behind me.