In a certain code language, ‘Flames are bright’ is written as ‘@ # %’ and ‘Bright is sun flames’ is written as ‘* # 7 @’. Which one of the following is the possible code for ‘is’ in that code language?
*
Flames and bright are the common words, corresponding to @ and # in some order. The remaining words is and sun correspond to * and 7 in some order. Thus * is a possible code for is, and it is the only such option listed.