Which of the following statements are true and which of them are not true?
a. A language without script is dialect.
b. A language may have many dialects.
c. Some languages do not have grammar.
d. Sign language does not have a grammar.
1
'b' is true and 'a', 'c' and 'd' are not true.
2
'b' and 'd' are not true and 'c' and 'a' are true.
3
'a', 'c' and 'd' are true and 'b' is not true.
4
'c' and 'a' are true and 'b' and 'd' are not true.