You are given a paragraph (Passage), a question (Question) and two answer options (Option1 and Option2). Your task is to find the correct answer (and return the string of the correct option, not option1/2) for the given question from the given options and based on the given passage. Answer of the question can be found directly from the passage.

[EX Q]: Passage: Every two weeks I like to change the sheets on my bed . I like having fresh , clean sheets on my bed . Today I changed my bed sheets . Next I removed the flat sheet , making sure I pulled the sheet completely off . Finally , I removed the fitted sheet . I decided I wanted to wash the pillow sheets too . Once I pulled off all of the sheets , I placed them in my laundry basket . Just as I was about to start putting on the new sheets I had taken out of my closet ; my dog , Waldo , jumped up on the bed ! Before I could put the new fitted sheet on the bed I had to pick up Waldo and put him on the floor . I made sure all four corners were completely covered . I even pulled the ends of the sheet under the bed , to make sure they would n't come loose ! Next , I took the flat sheet and spread it across my bed . At the foot of my bed I made sure to tuck in the corners of the sheet , so it would n't come off in the night . The only thing left to do was to put the quilt on top ! After that was finished , I made sure everything was neat and tidy and that the quilt was on straight ! Finally I could go to sleep ! Question: When did they pull the fitted sheet over each corner? Option1: After the made the bed Option2: after removing the dog
[EX A]: after removing the dog

[EX Q]: Passage: Yesterday , while I was playing at Grandma 's , a button popped off my sweater . I took it to Grandma and asked her what to do . `` Give that to me , child , '' she said , `` and we will fix it together . '' We walked to her sewing room , where she keeps all kinds of colorful pieces of fabric , thread , and buttons . Bring it to me . '' I found it quickly and walked to Grandma 's favorite chair . She had her sewing box open , and I could see all kinds of needles , a pair of scissors , and even a little red pincushion with dozens of pins stuck in it . `` Push the end of the thread through that little hole in the needle for Grandma . These old eyes are n't what they used to be , '' she said . I did so and handed it back to her . She tied a knot in the bottom of the long piece of thread , and said , `` Now watch carefully , child , and you will know how to fix it yourself next time . '' She poked the needle through the holes in the button and through the sweater at the same time , crisscrossing the thread as she went . `` There , child , good as new , '' she said . `` Thank you , Grandma ! '' I said . `` That was fast . She smiled , gave me a cookie , and sent me out to play . Question: when are they going to fix the botton on their sweater? Option1: After going to the sewing room Option2: before washing
[EX A]: After going to the sewing room

[EX Q]: Passage: Today I want to hardboil two fresh eggs for my lunch . I keep the eggs cold in my refrigerator , so I open the refrigerator door and take out two eggs . I place them on the counter , far back so they will not roll off . Then I carefully pick up one egg and place it gently in the pan of water . Did I forget the other egg ? No , I pick it up next and again put it carefully in the pan of water . Not quite , so I add a little more water until both eggs are covered with water . I have a gas stove . I want to turn on the left front small burner . So I turn the left knob until it clicks . Then the gas flame lights and is providing heat for me to cook the eggs . Next I pick up the pan of water with two eggs in it . Now I must watch the pan of water and eggs . I know the water must get hot to boil the eggs . In fact the water must boil with bubbles . When the water boils , then I watch the clock on the stove for 3 minutes . After 3 minutes I turn the left knob on the front of the stove to `` off '' and the flame goes away . Now I let the water cool so I will not burn myself with the hot water . I put them in a small bowl . They are still in their shells . I decide to put the two boiled eggs back in the refrigerator to get them cold for my lunch . I will eat them when I am hungry . Question: What makes the water hot? Option1: gas flame light Option2: left knob
[EX A]:
gas flame light