Consider the Car class discussed in the video lectures, and the following code fragment:

def foo$()$:

car $=$ Car$(...)$

$...$

return car

foo$()$

car$0=$ foo$()$

car$1=$ foo$()$

How many instances of Car are created in total, regardless if the instance is referenced by a name or not?

Group of answer choices

$($number of instances cannot be determined$)$

$1$

$4$

$2$

$3$