Can any one Please...

VLOOKUP with TRUE/FALSE by ignoring #NA AND index match too. for the below example

1 8 true 1
2 5 #N/A #N/A
3 6 #N/A #N/A
4 4 true 4
5 5 true 5
6 1 true 6

3rd Column = =IF(VLOOKUP(A2,$B$1:$B$6,1,0),"true"). For this i want to replace #NA with "FALSE"
4th column = =INDEX($B$1:$B$6,MATCH(A2,$B$1:$B$6,0)) . For this i want to replace #NA with "FALSE"