Assertion: snail's shell | /r/HasProperty | transparent
Facets:
value: at this stage
type: TEMPORAL
Source sentences:
text: At this stage, shells are transparent and have only one whorl, but over the next few weeks, they slowly take on color.
text: Although their shell may be so fine as to be transparent, it is nevertheless calcareous; their shells are bilaterally symmetric and can vary widely in shape: coiled, needle-like, triangular, globulous.