error_in_list.m:015: In clause for function `f'/0:
error_in_list.m:015:   in function result term of clause head:
error_in_list.m:015:   in list element #4:
error_in_list.m:015:   type error in unification of argument
error_in_list.m:015:   and constant `"five"'.
error_in_list.m:015:   argument has type
error_in_list.m:015:     int,
error_in_list.m:015:   constant `"five"' has type
error_in_list.m:015:     string.
error_in_list.m:015: In clause for function `f'/0:
error_in_list.m:015:   in function result term of clause head:
error_in_list.m:015:   in list element #6:
error_in_list.m:015:   type error in unification of argument
error_in_list.m:015:   and constant `7.0'.
error_in_list.m:015:   argument has type
error_in_list.m:015:     int,
error_in_list.m:015:   constant `7.0' has type
error_in_list.m:015:     float.
For more information, recompile with `-E'.