alien_color = ['green']

if 'green' in alien_color:
	print("Congratulations, you shot down a green alien! You earned 5 points!")
elif 'yellow' in alien_color:
	print("Congratulations, you earned 10 points!")
else:
	print("Congratulations, you earned 15 points!")

alien_color = ['yellow']

if 'green' in alien_color:
	print("Congratulations, you shot down a green alien! You earned 5 points!")
elif 'yellow' in alien_color:
	print("Congratulations, you earned 10 points!")
else:
	print("Congratulations, you earned 15 points!")

alien_color = ['red']

if 'green' in alien_color:
	print("Congratulations, you shot down a green alien! You earned 5 points!")
elif 'yellow' in alien_color:
	print("Congratulations, you earned 10 points!")
else:
	print("Congratulations, you earned 15 points!")