YOU SAID:
this yellow airplane will sink
INTO JAPANESE
この黄色の飛行機は沈むだろう
BACK INTO ENGLISH
This yellow plane will sink
INTO JAPANESE
この黄色の面は沈む
BACK INTO ENGLISH
This yellow side sinks
INTO JAPANESE
この黄色い側が沈む
BACK INTO ENGLISH
This yellow side sinks
You've done this before, haven't you.