At a circuit-training fitness center, participants are asked to roll 2 dice simultaneously when they complete the circuit. If they roll doubles (both dice show the same number), then they win a water bottle.

Which of the following outcomes of 2 dice rolls would result in a player winning a water bottle? Check all that apply.

1, 1
1, 5
3, 3
2, 3
4, 6
6, 6
5, 6