Assertion: minke whale's range | /r/HasProperty | followed by frequency
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Source sentences:
text: They consist of a brief pulse – called a precursor – with a duration of 0.28 seconds (range: 0.15 to 1.6 seconds) followed by a frequency and amplitude modulated long call – called the AM component – of 2.2 seconds duration (range: 1.4 to 4.2 seconds).