Which one is different from the rest? apple, orange, pomegranate, carrot

Which one is different from the rest? apple, orange, pomegranate, carrot

کون سا باقیوں سے مختلف ہے؟ سیب، نارنجی، انار، گاجر
Explanation

apple, orange, and pomegranate are fruits

but carrot is a vegetable