sentences: liters l is a metric unit used for measuring volume generally used for values between 1 and 50000000
docs: unit_of_volume is unit_of_measure. volume is measure. liter is metric_measurement_of_liquid. volume_unit is unit_of_measurement. liter is metric_capacity_unit. metric_capacity_unit is volume_unit. liters is metric_measurement. liter is metric_measurement. inch_and_liter is both_units. miles_per_gallon is unit_of_measurement.