Help ME!!!

Hi every body
This is my first yeat at faculty of computers and information in Egypt
but they are teaching us Alice2.2 and they tell us nothing and simply said (go find what u want in the internet )
so i wanna ask some questions
1-Create a new world with the following object:
A boy with a bicycle
• Do the following methods in a three times loop.
1 – The boy moves forward 1 meter
2 –The boy moves backward 1 meter
• Add car Object to the world and add the following method to work together with the bicycle
o The car moves toward the bicycle in a 5 seconds
• Change the bicycle loop to stop when the car is at least 3 meters away from the bicycle.
any way i made this but i cant do the last step (Change the bicycle loop >>>)
some one help me plssssssssssssssssssssssssss

[x2495iiii]

Use a while loop and use the function "while car is at least 3 meters away from" and select the bicycle as the second object. This function is found by clicking the object, then clicking the functions tab on the left-center of the screen.

well thx alot but it didnt work and the car always hit the bike
ill be very happy if u contacted with me (dont say that im rude )
my email :abdo_adel_92@yahoo.com
fell free to add me or contact me any time
regards