Read the following information carefully and then answer the questions given below.
i)A `Delta`B means A is mother of B.
ii) A ©``B means A is sister of B.
iii) A*B means A is father of B
iv) A`beta` B means A is brother of B.
Which of the following means L is paternal grandfather of O?

Options

A. `P ^(**) R beta S Delta Q ^(**) T`
B. `R ^(**) L Delta P beta K ^(**) O `
C. `L ^(**) M Delta R ^(**) K beta O `
D. None of these

Answer

D

Explanation

Choice 2 is wrong as L is followed by a female sign. In choice 1, gap between L and O is `1 + 0 + 0 + 0 = 1.` So, it is wrong . In choice 3, gap between L and O is `1 +1 + 1+ 0 =3,` so it is wrong. In choice 4, gap is `1 + 0 + 1 + 0 =2.` So, it could be correct Let us try its tree:
`{:(L (+)),( |),(R (+) - M (+)),(" "|) ,( " "K (+) - O ):}`
Indeed L is paternal grandfather of O.