State the data type of the variable found in the algorithm shown in Figure 3.

Figure 3

1  names ← ["Alice", "Bob", "Charlie", "Diana"]
2  target ← "Charlie"
3  found ← FALSE
4  index ← 0
5  WHILE index < 4 AND found = FALSE
6      IF names[index] == target THEN
7          found ← TRUE
8      ELSE
9          index ← index + 1
10     ENDIF
11 ENDWHILE