Carry Out
Moving in the direction of a gun, an alligator can carry out a murder once it reaches it. This alligator wants to kill someone. The alligator wants to carry out their execution.
し, せ
ほどこ
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In order to carry out this murder, the alligator has to sneak up on its prey, so it can shoot it. You look across the water and see a sheep (し) grazing by the shore. The alligator is going to carry out a murder on that sheep!