Your <e1>doctor</e1> tells your blood pressure by using a <e2>sphygmomanometer</e2>, which is the instrument for measuring blood pressure.
Your doctor tells your
Your doctor tells your blood pressure by using a sphygmomanometer, which is the instrument for measuring blood pressure.
<triplet> doctor <subject> sphygmomanometer <object> Instrument-Agency(e2,e1)