It is therefore rare that the soil and grasses they eat are highly contaminated.
(It; is; therefore rare that the soil and grasses they eat are highly contaminated) (the soil and grasses; eat; they) (the soil and grasses they eat; are; highly contaminated) (the soil and grasses they eat; highly contaminated; )
It the soil and grasses the soil and grasses they eat the soil and grasses they eat
is eat are highly contaminated
therefore rare that the soil and grasses they eat are highly contaminated
they
highly contaminated