query: puzzle for Vietnamese eight-year-olds
positive_passages.docid: 150262
positive_passages.text: A 3rd grade math problem: fill in blanks with numbers to obtain a valid equation
negative_passages.docid: 43767
negative_passages.text: Punctuating illustrating questions
negative_passages.docid: 43647
negative_passages.text: How to say fractions like "7/8" or "546/823"
negative_passages.docid: 15349
negative_passages.text: Combinatorics riddle: keys and a safe
negative_passages.docid: 147556
negative_passages.text: Express logic puzzles with proposition calculus notation
negative_passages.docid: 125451
negative_passages.text: What is the solution to the Squirrel sequence of letters question?
negative_passages.docid: 16469
negative_passages.text: Book ID: Boy plays a video game and has to to solve different tasks (the last being a maze that's an IQ test)
negative_passages.docid: 116794
negative_passages.text: English Pronunciation Easter Eggs
negative_passages.docid: 61838
negative_passages.text: Symbols for four and five vertical dots
negative_passages.docid: 74106
negative_passages.text: About the "tic-tac-toe squirrel challenge"
negative_passages.docid: 79702
negative_passages.text: Fraction whose items are words
negative_passages.docid: 76725
negative_passages.text: Finding all length-n words on an alphabet that have a specified number of each letter
negative_passages.docid: 35864
negative_passages.text: Playing with numbers form $1$ to $n^2$ in an $n\times n$ grid
negative_passages.docid: 82327
negative_passages.text: Tiling a $3 \times 2n$ rectangle with dominoes
negative_passages.docid: 109922
negative_passages.text: Towers Of Hanoi Java
negative_passages.docid: 38074
negative_passages.text: Winning strategies in multidimensional tic-tac-toe
negative_passages.docid: 80771
negative_passages.text: spelling numbers