Write the plurals of the following nouns, consult the dictionary if necessary:
place, page, judge, knife, problem, lawyer, scientist, action, crime, thief, court, law, witness, victim, address, face, loss, reply, lady, brush, guy, portfolio, mother-in-law, enemy, sheep, ship, criterion, datum, formula, possibility, crisis, mischief-maker, extremity, lie, youth, journey, policeman, investigator, criminal, subject, student, question, academy, university
place - places
page - pages
judge - judges
knife - knifes
problem - problems
lawyer - lawyers
scientist - scientists
action - actions
crime - crimes
thief - thiefs
court - courts
law - laws
witness - witnesses
victim - victims
address - addresses
face - faces
loss - losses
reply - replies
lady - ladies
brush - brushes
guy - guys
portfolio - portfolios
mother-in-law - mothers-in-law
enemy - enemies
sheep - sheep
ship - ships
criterion - criterions
datum - datums
formula - formulas
possibility - possibilities
crisis - crises
mischief-maker - mischief-makers
extremity - extremities
lie - lies
youth - youths
journey - journeys
policeman - policemen
investigator - investigators
criminal - criminals
subject - subjects
student - students
question - questions
academy - academies
university - universities