Assertion: thunderbird | /r/CapableOf | rely in that platform
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Source sentences:
text: Thunderbird will remain a Gecko-based application at least in the midterm, but many of the technologies Thunderbird relies on in that platform will one day no longer be supported.
text: Thunderbird will remain a Gecko-based application at least in the midterm, but many of the technologies Thunderbird relies upon in that platform will one day no longer be supported.