alice-teacher Compare colors

[John De Maesschalck]

Hey

I used to work with Alice 2 in my class. It was very easy to check if an
object had a specific color.
This year I'm trying to use Alice 3.

I'm having problems using the if-statement and colors.

Even a simple variable of type color can't be used in the if-statement
condition.

How must one use colors in the if-statement?
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