sentence
stringlengths
21
104
target
stringclasses
12 values
Rats come in <mask> varieties.
two
Some people experience <mask> symptoms during a heart attack.
no
Tempered glass is <mask> times stronger than regular glass.
four
Cognition is the process of receiving signals from outside of the organism via our <mask> senses.
five
Iambics have <mask> syllables.
two
Maps are <mask> dimensional representations of the earth's surface.
two
Breast cancer strikes <mask> out of every eight American women.
one
Breast cancer strikes one out of every <mask> American women.
eight
Glycoproteins contain chains of usually <mask> different carbohydrates.
four
Hatchlings fall into <mask> main categories, nidicolous and nidifugous.
two
Female cats can go into heat for the first time as early as <mask> months of age.
five
Hyphenated words count as <mask> words.
two
Russian banks have <mask> year history of embezzeling depositors money.
ten
Whales rise in <mask> stages.
three
Some robots have more than <mask> degrees of freedom, some less, depending on the kind of work they do.
six
Hydrocarbons have <mask> ozone depletion potential, and very low global warming impact.
zero
Flytraps spin when <mask> creatures can be infected.
no
Field lines exist only in <mask> dimensions.
two
Vision disorders affect <mask> in every four school-age children.
one
Vision disorders affect one in every <mask> school-age children.
four
Trilliums contain <mask> petals, sepals and leaves each.
three
Normal mares produce approximately <mask> liters of colostrum.
two
Collaborative commerce is the extension of core business processes beyond a company's <mask> walls.
four
Blood has <mask> main functions.
three
Some hernias close themselves as late as <mask> years of age.
ten
Proboscis monkeys live in-groups of <mask> to fifteen with an adult male as their leader.
five
Ellipses perform <mask> very distinct functions in writing.
two
Eagles usually start to breed at <mask> to nine years of age.
four
Eagles usually start to breed at four to <mask> years of age.
nine
Male plants yield more asparagus with <mask> seeds produced while in the fern stage of growth.
no
Some palm seeds take <mask> years to germinate.
three
Diabetes can occur in <mask> separate ways.
three
People can have <mask> legs, fur, tails, feathers, fins, scales and even exoskeletons.
four
Many children have a bowel movement only once every <mask> or four days.
three
Many children have a bowel movement only once every three or <mask> days.
four
Scientists think that there are really <mask> different shapes of snow crystals.
four
Men are <mask> times more likely to develop actinomycosis than women.
three
Rockets have about <mask> seconds of fuel and follow ballistic paths after the fuel is exhausted.
ten
Female circumcision is practiced on young girls , usually between the ages of <mask> and eight.
four
Snail shells have spiral symmetry, and delphiniums have <mask> equally spaced petals.
five
Barium hydroxide contains <mask> hydroxide anions.
two
Individual caribou can lose up to <mask> pounds of blood during a summer season.
five
Space has <mask> boundaries and extends endlessly in all directions.
no
Canadian women have a <mask> in nine chance of getting breast cancer.
one
Canadian women have a one in <mask> chance of getting breast cancer.
nine
ADD is a neurological problem that affects at least <mask> percent of the population.
five
Depression ranks among the top <mask> workplace problems following only family crisis and stress.
three
Time is divided to <mask> components, imaginary and real.
two
Human females have <mask> X chromosomes.
two
Human speech has <mask> distinctive yet complementary functions and modes.
two
Neurologists usually divide the pain syndromes into <mask> groups.
two
Membrane structure has <mask> components, lipids and proteins.
two
Carcinomas are <mask> times as frequent in women as in men.
three
Homosexual men are <mask> times more likely to have attempted suicide than are heterosexual men.
six
Some parents do favour contact for children starting at <mask> years old.
eight
Crosses mark the centers of the <mask> galaxies.
two
Dicots have <mask> cotyledons.
two
Children range in age from birth to <mask> years.
six
Disasters have <mask> boundaries and they strike at all races, all creeds, all sizes of people.
no
Asci are transparent cylindrical sacs that each contain <mask> ascospores .
eight
Infants weigh on average <mask> or two pounds at birth.
one
Infants weigh on average one or <mask> pounds at birth.
two
Nymphs feed for at least a month and develop through <mask> instars before becoming adults.
four
Some families have <mask> parents, some have only one.
two
Disposable diapers generate <mask> times as much solid waste as cloth diapers.
four
Time series are annual data for <mask> years prior to the latest year.
five
American men are <mask> times more likely to die from prostate cancer than Japanese men.
five
Quanta has <mask> mass and takes up no space, yet extends out into the universe.
no
Quanta has no mass and takes up <mask> space, yet extends out into the universe.
no
Lions live in groups of <mask> to thirty individuals, called prides.
three
Mothers carry infants constantly their first <mask> weeks.
three
Barbershop harmony is a style of unaccompanied singing with <mask> voices harmonizing to the melody.
three
Young groundhogs are weaned and ready to seek their own dens at <mask> to six weeks of age.
five
Young groundhogs are weaned and ready to seek their own dens at five to <mask> weeks of age.
six
Calves are the offspring of <mask> adult cows.
two
Cellulose contains <mask> calories per gram.
zero
Women devote their lives to raising families of six, seven, and <mask> children.
eight
Men are creatures with <mask> legs and eight hands.
two
Men are creatures with two legs and <mask> hands.
eight
Climatic regions Contrasts between the interior and the coasts produce <mask> main climatic regions.
six
Women are <mask> times more likely to be attacked at home than on the street.
nine
Cranes mate for life and often pair when they are <mask> to six years old.
three
Cranes mate for life and often pair when they are three to <mask> years old.
six
Subways transport more than <mask> and a half million people a day.
three
Tuataras reproduce very slowly, sometimes taking <mask> years to reach sexual maturity.
ten
Conifer seeds are very complex structures, containing cells from <mask> generations of the tree.
three
Drastic maps are composites made up of <mask> individually mapped hydrogeological parameters.
eight
Many prosimians have at least <mask> nipples and produce litters rather than a single offspring.
four
Scientific understanding based on the experimental method has a history of only <mask> hundred years.
three
Ear buds have <mask> cuffs that surround the ear, and no headband.
no
Ear buds have no cuffs that surround the ear, and <mask> headband.
no
Water scorpions regulate their depth using <mask> pairs of special sensors on their bellies.
three
Most aphthous ulcers heal in <mask> to two weeks.
one
Most aphthous ulcers heal in one to <mask> weeks.
two
Japan is consists of <mask> main islands.
four
Termites live in large colonies of cooperating individuals of <mask> different castes.
three
Lions stand <mask> feet tall at the shoulders.
three
Deadly spiders nest under toilet seats and have killed <mask> people in Chicago.
three
Salmonella typhi infection in children younger than <mask> years of age.
five
Carbon is electron deficient - it only has <mask> electrons around it.
four