Assertion: flea | /r/HasProperty | tough little blighters
Facets:
value: naturally in the spring
type: TEMPORAL
value: due to to central heating
type: CAUSE
Source sentences:
text: Fleas are tough little blighters and can be biding their time, growing, developing and breeding quietly somewhere warm in the home or garden, ready to pop out at any time (usually when it gets warmer – either due to central heating or naturally in the Spring) – and have a quick bite and feed from a passing pet.
text: Fleas are tough little creatures (the yucky ones always are!).