Use this activity document to guide your work in the [offset image tutorial](/microbit/lessons/offset-image/tutorial).
Answer the questions while completing the tutorial. Pay attention to the dialogues!
## 1. What is an 'if, then, else statement' ?
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## 2. Write the line condition that if true, will display the message "Push button A". This message appears if the offset is equal -4 then the BBC micro:bit will state "Push Button A".
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## 3. Write the one line of code to show this image
![](/static/mb/lessons/offset-image-0.png)
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## 4. Write the two lines of code that trigger the variable offset to increase by one.