Jacob plays soccer and gets grass stains on his shorts. He uses several types of laundry detergent to try to remove the stains, but none of them work. He hypothesizes that laundry detergents are not able to remove grass stains from clothing. Which best describes the evidence that fails to support the hypothesis? 1. The stain is removed when a different type of laundry detergent is used.

2. The stain was not removed when several types of laundry detergent were used.

3. The stain does not go away after being repeatedly laundered in water with no laundry detergent.

4. The stain is removed when it is treated with a stain remover before it is washed using laundry detergent.