In a certain code language, '274' means 'you are fool', '137' means 'Rohan is fool', and '893' means 'Riya likes Rohan'.

Which of the following options is the code for 'is'?

I. 6x² + 19x + 10 = 0

II. y² + 10y + 25 = 0

I. 9x² + 45x + 26 = 0

II. 7y² – 59y − 36 = 0

I. 99x² + 161 x + 26 = 0

II. 26 y² + 161 y + 99 = 0

I. 6x² - 13 x + 6 = 0

II. 15 y² + 11 y - 12 = 0

I. 2x² – 5x - 12 = 0

II. y² – 11y + 30 = 0

I. 18p²- 21p + 6 = 0      

II. 16q² - 24q +9 = 0

I. 4x² - 21x + 20 = 0

II. 8y² - 22y + 15 = 0

I. x² - (16)² = 0

II. 2y - 14 = 0

I. x² + 12√2 x + 22 = 0

II. y² - 13√2 y – 28 = 0

I. 2 x ² + x  – 1 = 0                 

II. 2 y ² - 3 y + 1 = 0