Assertion list for term "grow darker".

Results from Ascent++: 5
world CapableOfgrow darker 0.35
rash CapableOfgrow darker 0.32
day (aspect of year) CapableOfgrow darker 0.27
day (aspect of mother) CapableOfgrow darker 0.26
atmosphere (aspect of sun) CapableOfgrow darker 0.16