 
 <prompt> Which one na chemical change?
Choose from:
(1). Element 1 dey hammer until e turn thin sheet.;
(2). Element 2 dey heat and e turn liquid.;
(3). Element 3 dey change to green color as e dey sit for air.;
(4). Element 4 dey grind until e turn fine, slippery powder.; <response>: ```(3).```
Translate the text above to Nigerian pidgin. If there is programming code in it, leave as is. Do not add any extra statement in your response: 