Can anyone help me with my syn bio midsem q? i literally didnt know what to write in the exam. feel like shit

Using your knowledge of transcriptional- and translational-based biosensors, design and describe a biosensor that can sense the presence of two viral RNA molecules and subsequently produce a fluorescent output. In this design, both viral RNA molecules must be present for a fluorescent output to occur. (Hint: It is possible to engineer “toehold switches” to regulate the translation of transcriptional activators

drop btc/link address' ill tip any anons who can assist