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Write a conditional expression that will be true for all values of the variable x in the given range and false for all values outside the given range. Note that the variable x can take on any value, not just integer values.

Between 1 and 5 excluding end points

An object that is "interested in" an event to which you want it to respond is a(n) ____________________.

Fill in the blank(s) with the appropriate word(s).