TASK DEFINITION: In this task, you're given passages that contain mentions of names of people, places, or things. Some of these mentions refer to the same person, place, or thing. Your job is to write questions that evaluate one's understanding of such references. Good questions are expected to link pronouns (she, her, him, his, their, etc.) or other mentions to people, places, or things to which they may refer. Do not ask questions that can be answered correctly without understanding the paragraph or having multiple answers. Avoid questions that do not link phrases referring to the same entity. For each of your questions, the answer should be one or more phrases in the paragraph, and it should be unambiguous.
PROBLEM: Passage: Donald Duck is doing some camouflage painting on a cannon with yellow, green, and red stripes and black dots (based on the colors of the Flag of Lithuania with bullet holes in it). Sergeant Pete sees it and scolds Donald, explaining that it needs to painted so it can't be seen.  Pete then demands that Donald re-paint the cannon to make it "hard to see".  Obliging to the sergeant's orders, Donald walks to the "Experimental Laboratory: Camouflage Corps", disregarding the 'keep out' sign, and walks in. He finds some "invisible paint", which he tests with his finger, and uses it to paint the cannon.
When Pete returns, he is shocked to find the cannon seemingly gone, believing it to be stolen.  But of course it isn't stolen, as the sergeant finds out the hard way by bonking his head on the underside of the cannon and discovering Donald inside.  Angered that Donald painted the cannon too invisible to see, Pete blows hard into one end of the barrel, sending Donald out the other end and into the bucket of invisible paint.  When Donald runs away, Pete finds out Donald has become invisible after seeing Donald's footprints on the ground.  Donald then swims across a lake, but the invisible paint doesn't come off.
Pete continues to chase Donald through a field of flowers, until he accidentally throws some of the flowers on Donald, revealing his outline.  Pete spots Donald and tries to catch him, but he gets away again.  However, this gives Pete an idea to find Donald.  When the General drives up, Pete's antics, including jumping around a tree while singing "Here We Go Round The Mulberry Bush" and throwing flowers, convinces the General that he is acting odd, especially after he asks the General "did you see a little guy that you can't see?"  The invisible Donald then puts a cactus down Pete's pants, making him scream in pain and jump around like a madman, making the General wonder what is going on with Pete.

SOLUTION: Who hits his head on the cannon?

PROBLEM: Passage: Eric Stoltz plays John Dantley, an NTSB officer sent to O'Hare Airport in Chicago to investigate a collision between Global Airlines Flight 1025 (a Boeing 757-200 from Los Angeles to Washington D.C.) and PDO Cargo flight 342 (a Boeing 727-200F flying westbound cargo plane), where 185 people are killed.
Charles Martin Smith plays Henry Drake, an air traffic controller who insists his radar system malfunctioned when the planes were being cleared for landing. When the rest of air traffic control dismiss Drake and blame the incident on human error, Dantley must discover the truth about the crash: Was Drake — a high-strung individual who already didn't get along with his co-workers — simply incompetent at his job or did Drake's co-workers and superiors know about and/or had been previously been warned about the aging radar system showing signs of seriously malfunctioning and crashing at critical times (and thus liable to lead to deadly situations such as the one that happened), but instead of taking action ignored the warnings and initiated a cover-up?.

SOLUTION: What were the two flights that an NTSB officer was sent to O'Hare Airport to investigate a collision between?

PROBLEM: Passage: During the Second World War, people converge on the Halfway House, an inn in the Welsh countryside. In Cardiff, the famous orchestra conductor David Davies is advised by his doctor to cancel a tour and rest, or he will live for only about three months. In London, Richard and Jill French argue about the education of their young daughter Joanna, who overhears them agree to divorce. Then Mr. French and Joanna go on vacation. Captain Fortescue is released from Parkmoor Prison; he was court-martialled for stealing the regimental funds. In a Welsh port, merchant captain Harry Meadows and his French wife Alice quarrel about their deceased son, a victim of the U-boats. Black marketeer Oakley departs from London for some fishing, while Margaret and her Irish diplomat fiancé Terence take a train from Bristol.
Oakley and Fortescue meet on the road; it turns out they know each other. Though Fortescue had scanned the countryside thoroughly with his binoculars in vain for the Halfway House, it mysteriously appears. When they reach it, the proprietor Rhys also seems to materialise out of thin air. He tells a puzzled Fortescue he was expected. When Oakley signs the register, he notices a long gap after the last signature, dated 1942, it being 21 June 1943. (The newspapers are a year old.) 
Others arrive; the Meadows request separate rooms. Rhys serves a grieving Alice tea in her room. She is shocked to see no reflection of Rhys in the mirror when he leaves. Mr. French notices his wife's handwriting in the register and suspects that Joanna arranged for them to stay in the same place. Later, Fortescue is sitting outside when he notices that Gwyneth, Rhys's daughter, casts no shadow, though Joanna, standing nearby, does. Joanna arranges a fake near-drowning, with the help of Captain Meadows, to try to reunite her parents; it nearly goes awry. Margaret and Terence quarrel when he is eager to accept a posting in Berlin (Ireland being neutral).

SOLUTION:
What is the full name of the character who notices that Gwyneth does not cast a shadow?