Read the following paragraph and determine if the hypothesis is true:

Megan Malia Leilani McClung (April 14, 1972December 6, 2006) was the first female United States Marine Corps officer killed in combat during the Iraq War. Major McClung was serving as a public affairs officer in Al Anbar Province, Iraq when she was killed.

Hypothesis: Megan was born biologically as a male and transitioned into female
It's impossible to say