Q: Given a sentence and two mentions from the text (arguments), indicate a phrase (a verb or noun phrase) that describes the relationship between the provided arguments.
Sentence: 'It is said that the Israelites counted the days from their liberation as slaves in Egypt until their reception of the Torah at Mount Sinai .', Argument/Subject 1: 'israelite', Argument/Subject 2: 'egypt'
A:
be slave of