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