question: traffic cameras:monitor road conditions
choices.label: A B C D
choices.text: fingerprint combination lock:collect fingerprints electronic blood pressure monitor:measure blood pressure sweeping robot:purify the air folding anti-theft window:drying clothes
explanation: use "traffic camera" to "monitor road conditions", "traffic camera" has the function of "monitoring road conditions". "fingerprint password lock" realizes the unlocking purpose by "collecting fingerprints", and "collecting fingerprints" is the way of "fingerprint password lock". use "electronic blood pressure monitor" to "measure blood pressure", and "electronic blood pressure monitor" has the function of "measure blood pressure". the function of the "sweeping robot" is not to "purify the air", but to clean the ground. the function of "folding anti-theft window" is not "drying clothes", but counterfeit .
relation: traffic cameras monitor road conditions R3.3
relation: fingerprint combination lock collect fingerprints R3.10
relation: electronic blood pressure monitor measure blood pressure R3.3