Assertion: moon's pole | /r/CapableOf | replenish saturn's e ring
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Source sentences:
text: These jets form a large plume off its south pole, which replenishes Saturn's E ring  and serves as the main source of ions in the magnetosphere of Saturn.  
text: These jets form a large plume off its south pole, which replenishes Saturn's E ring and serves as the main source of ions in the magnetosphere of Saturn.