Read the following premise and answer if the hypothesis is true.
W. de Wycombe (Wicumbe, and perhaps Whichbury) (late thirteenth century) was an English composer and copyist of the Medieval era. He was precentor of the priory of Leominster in Herefordshire. It is possible that he was the composer of the most famous tune from medieval England, "Sumer is icumen in".
Hypothesis: W. de Wycombe didn't compose "Sumer is icumen in.". Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
No
It's impossible to say.