Question 6 The objective of this question is to help further your understanding of Boolean operators and what NA represents. Logical vectors in R. can contain Na in addition to TRUE and FLSE. An NA in a logical context can be interpreted as \"unknown.\" Consider the following commands: NAtTRUE [1] NA In a: FALSE [1] FALSE HA. I TRUE [1] TRUE HA. I FAIBE [1] NA Explain why there is a difference in the output of these four commands. Why are the}r not all Nil? Hint: Does the output rely on knowing What the unknown value NA represents