Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: Why did Kat read the poem? Title: 10 Things I Hate About You Movie plot: Cameron James, a new student at Padua High School in the Seattle area, becomes instantly smitten with popular sophomore Bianca Stratford. Geeky Michael Eckman warns him that Bianca is vapid and conceited, and that her overprotective father does not allow Bianca or her older sister, the shrewish Kat, to date. Kat, a senior, is accepted to Sarah Lawrence College in New York, but her father, Walter, wants her to stay close to home. Bianca wishes to date affluent senior Joey Donner, but Walter, an obstetrician worrisome of teenage pregnancy, will not allow his daughters to date until they graduate. Frustrated by Bianca's insistence and Kat's rebelliousness, Walter declares that Bianca may date only when Kat does, knowing that Kat's antisocial attitude makes this unlikely. When Cameron asks Bianca out, she informs him of her father's new rule and, as a pretense for allowing her to date Joey, suggests that Cameron find someone willing to date Kat. Cameron selects "bad boy" Patrick Verona, but Patrick scares him off. Michael assists by convincing Joey to pay Patrick to take out Kat, under the pretense that this will allow Joey to date Bianca. Patrick agrees to the deal, but Kat rebuffs his first few advances. Michael and Cameron help him by prying Bianca for information on Kat's likes and dislikes. Armed with this knowledge, Patrick begins to win Kat's interest. She goes to a party with him, which enables Bianca to go as well, much to Walter's dismay. At the party, Kat becomes upset when she sees Bianca with Joey, and responds by getting drunk. Patrick attends to her, and Kat starts to open up, expressing her interest in starting a band. However, when she tries to kiss him, Patrick pulls away and Kat leaves, infuriated. Meanwhile, Bianca ignores Cameron in favor of Joey, leaving Cameron dejected. Bianca soon realizes, however, that Joey is shallow and self-absorbed, and asks Cameron for a ride home. Cameron admits his feelings for her and his frustration with how she has treated him. Bianca responds by kissing...
The answer to this question is:
It was a college assignment.