Task: Question Answering
Input (English): Passage: I woke up this morning and felt tired even though I slept through the night . I decided that exercise would make me feel more energetic . I put on a T-shirt , leggings , and sneakers . I touched my toes to stretch my leg muscles . After stretching , I got a bottle of cold water from the refrigerator and walked down the street to the gym at my university . I entered the gym and scanned in with my ID card . I programmed the machine for a moderate intensity workout . The machine took me through a warm up , the work out , then a cool down . After finishing the cardio exercise on the elliptical , I went to the weight room and used the free weights for strength training of my arms . I drank a lot of water and stretched again before leaving the gym to return home . I felt much better ! Question: What were they stretching? Option1: back muscles Option2: Their leg muscles.
Output (English): Their leg muscles.