Simplify the following text for a Grade 8 native English-speaking person.
Original: In 1948 , Monroe signed a six-month contract with Columbia Pictures and was introduced to the studio 's head drama coach Natasha Lytess , who became her acting coach for several years .
Simplified: In 1948 , Monroe signed a six-month contract with Columbia Pictures . She was introduced to the studio 's head drama coach Natasha Lytess , who became her acting coach for several years .