Assertion: bumblebee's colony | /r/CapableOf | lose crop
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Source sentences:
text: Bat facts tell us that a colony of 150 big brown bats can eat as many as 18 million root worms in a single summer, saving farmers thousands of dollars in pest control and lost crops, while the 20 million Mexican free-tailed bats living in Bracken Cave outside of Austin, Texas consume 250 tons of insects every night.