Task: Question Understanding
Input (English): Question: Heather designed an investigation to see if the sunlight makes water temperature increase. What should she do first? (A) Make sure that it is not a cloudy day (B) Measure the temperature of the water before placing it in the Sun (C) Make sure that the thermometer is working correctly (D) Use a stopwatch to determine how long it will take for the temperature to change?
Output (English): investigation, sunlight, water, temperature, increase., first?