options: m : i 'm glad to know that mrs. brown is taking mr. smiths ' course when he is absent . m : i 'm sorry to hear that mr. brown is not in the office . m : ok , i saw mr. smith in the office . m : thank you , please let me speak to mr. brown then .
article: m : may i speak to mr. smith ? f : he is not in the office . would you care to speak to mr. brown ? he is taking mr. smiths ' course when he is out .