Confused

Q1: What is red and goes tring tring tring? A1: tomato and the tring tring tring was to confuse you anyways. Here's one more. Q2: What is red and goes tring tring tring? A2: The door bell and the red was to confuse you anyways. Here's one more. Q3: What is red and goes tring tring tring? A3: A cake and both were to confuse you anyways. Here's one more. Q4: What's red and goes tring tring tring? A4: Fire brigade, OBVIOUSLY! You thought I was trying to confuse you again.